Home / 129,037,062,003.30-193,555,593,004.95-102,915,673,971.30

Finding the Fourth Proportional to 129,037,062,003.30, 193,555,593,004.95 and 102,915,673,971.30

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Solution

The fourth proportional to 129,037,062,003.30, 193,555,593,004.95 and 102,915,673,971.30 is: 154,373,510,956.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,037,062,003.30 : 193,555,593,004.95 = 102,915,673,971.30 : x
  2. Step 2: Convert to fraction form
    129,037,062,003.30/193,555,593,004.95 = 102,915,673,971.30/x
  3. Step 3: Cross multiply
    129,037,062,003.30x = 193,555,593,004.95 × 102,915,673,971.30
  4. Step 4: Simplify right side
    129,037,062,003.30x = 19,919,904,305,019,072,020,480
  5. Step 5: Solve for x
    x = 19,919,904,305,019,072,020,480/129,037,062,003.30
  6. Step 6: Final answer
    x = 154,373,510,956.95

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.