Home / 87,281,485.50-130,922,884.56-38,746,291.18

Finding the Fourth Proportional to 87,281,485.50, 130,922,884.56 and 38,746,291.18

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Solution

The fourth proportional to 87,281,485.50, 130,922,884.56 and 38,746,291.18 is: 58,119,728.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,281,485.50 : 130,922,884.56 = 38,746,291.18 : x
  2. Step 2: Convert to fraction form
    87,281,485.50/130,922,884.56 = 38,746,291.18/x
  3. Step 3: Cross multiply
    87,281,485.50x = 130,922,884.56 × 38,746,291.18
  4. Step 4: Simplify right side
    87,281,485.50x = 5,072,776,207,287,286
  5. Step 5: Solve for x
    x = 5,072,776,207,287,286/87,281,485.50
  6. Step 6: Final answer
    x = 58,119,728.12

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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.