Home / 115,148,515.86-158,904,566.10-62,937,521.28

Finding the Fourth Proportional to 115,148,515.86, 158,904,566.10 and 62,937,521.28

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Solution

The fourth proportional to 115,148,515.86, 158,904,566.10 and 62,937,521.28 is: 86,853,568.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,148,515.86 : 158,904,566.10 = 62,937,521.28 : x
  2. Step 2: Convert to fraction form
    115,148,515.86/158,904,566.10 = 62,937,521.28/x
  3. Step 3: Cross multiply
    115,148,515.86x = 158,904,566.10 × 62,937,521.28
  4. Step 4: Simplify right side
    115,148,515.86x = 10,001,059,510,407,916
  5. Step 5: Solve for x
    x = 10,001,059,510,407,916/115,148,515.86
  6. Step 6: Final answer
    x = 86,853,568.50

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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.