Home / 60,480,143.80-90,720,215.70-20,090,627.80

Finding the Fourth Proportional to 60,480,143.80, 90,720,215.70 and 20,090,627.80

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Solution

The fourth proportional to 60,480,143.80, 90,720,215.70 and 20,090,627.80 is: 30,135,941.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,480,143.80 : 90,720,215.70 = 20,090,627.80 : x
  2. Step 2: Convert to fraction form
    60,480,143.80/90,720,215.70 = 20,090,627.80/x
  3. Step 3: Cross multiply
    60,480,143.80x = 90,720,215.70 × 20,090,627.80
  4. Step 4: Simplify right side
    60,480,143.80x = 1,822,626,087,564,416.50
  5. Step 5: Solve for x
    x = 1,822,626,087,564,416.50/60,480,143.80
  6. Step 6: Final answer
    x = 30,135,941.70

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Similar ratio
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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.