Home / 115,160,520.64-158,921,526-62,949,763.12

Finding the Fourth Proportional to 115,160,520.64, 158,921,526 and 62,949,763.12

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Solution

The fourth proportional to 115,160,520.64, 158,921,526 and 62,949,763.12 is: 86,870,677.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,160,520.64 : 158,921,526 = 62,949,763.12 : x
  2. Step 2: Convert to fraction form
    115,160,520.64/158,921,526 = 62,949,763.12/x
  3. Step 3: Cross multiply
    115,160,520.64x = 158,921,526 × 62,949,763.12
  4. Step 4: Simplify right side
    115,160,520.64x = 10,004,072,416,368,920
  5. Step 5: Solve for x
    x = 10,004,072,416,368,920/115,160,520.64
  6. Step 6: Final answer
    x = 86,870,677.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.