Home / 129,160,867.50-193,832,090.73-116,811,840.78

Finding the Fourth Proportional to 129,160,867.50, 193,832,090.73 and 116,811,840.78

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Solution

The fourth proportional to 129,160,867.50, 193,832,090.73 and 116,811,840.78 is: 175,299,870.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,160,867.50 : 193,832,090.73 = 116,811,840.78 : x
  2. Step 2: Convert to fraction form
    129,160,867.50/193,832,090.73 = 116,811,840.78/x
  3. Step 3: Cross multiply
    129,160,867.50x = 193,832,090.73 × 116,811,840.78
  4. Step 4: Simplify right side
    129,160,867.50x = 22,641,883,320,407,272
  5. Step 5: Solve for x
    x = 22,641,883,320,407,272/129,160,867.50
  6. Step 6: Final answer
    x = 175,299,870.30

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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.