Home / 138,175,769-207,335,385.42-56,354,675.24

Finding the Fourth Proportional to 138,175,769, 207,335,385.42 and 56,354,675.24

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Solution

The fourth proportional to 138,175,769, 207,335,385.42 and 56,354,675.24 is: 84,561,268.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,175,769 : 207,335,385.42 = 56,354,675.24 : x
  2. Step 2: Convert to fraction form
    138,175,769/207,335,385.42 = 56,354,675.24/x
  3. Step 3: Cross multiply
    138,175,769x = 207,335,385.42 × 56,354,675.24
  4. Step 4: Simplify right side
    138,175,769x = 11,684,318,311,104,330
  5. Step 5: Solve for x
    x = 11,684,318,311,104,330/138,175,769
  6. Step 6: Final answer
    x = 84,561,268.56

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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.