Home / 292,549,711.28-403,719,141.13-158,587,213.28

Finding the Fourth Proportional to 292,549,711.28, 403,719,141.13 and 158,587,213.28

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Solution

The fourth proportional to 292,549,711.28, 403,719,141.13 and 158,587,213.28 is: 218,850,646.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,549,711.28 : 403,719,141.13 = 158,587,213.28 : x
  2. Step 2: Convert to fraction form
    292,549,711.28/403,719,141.13 = 158,587,213.28/x
  3. Step 3: Cross multiply
    292,549,711.28x = 403,719,141.13 × 158,587,213.28
  4. Step 4: Simplify right side
    292,549,711.28x = 64,024,693,539,459,600
  5. Step 5: Solve for x
    x = 64,024,693,539,459,600/292,549,711.28
  6. Step 6: Final answer
    x = 218,850,646.82

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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.