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Finding the Fourth Proportional to 124,366,978.10, 186,550,467.15 and 59,637,464.30

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Solution

The fourth proportional to 124,366,978.10, 186,550,467.15 and 59,637,464.30 is: 89,456,196.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,366,978.10 : 186,550,467.15 = 59,637,464.30 : x
  2. Step 2: Convert to fraction form
    124,366,978.10/186,550,467.15 = 59,637,464.30/x
  3. Step 3: Cross multiply
    124,366,978.10x = 186,550,467.15 × 59,637,464.30
  4. Step 4: Simplify right side
    124,366,978.10x = 11,125,396,824,806,448
  5. Step 5: Solve for x
    x = 11,125,396,824,806,448/124,366,978.10
  6. Step 6: Final answer
    x = 89,456,196.45

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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.