Home / 359,448,645.28-539,070,117.36-117,132,725.92

Finding the Fourth Proportional to 359,448,645.28, 539,070,117.36 and 117,132,725.92

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Solution

The fourth proportional to 359,448,645.28, 539,070,117.36 and 117,132,725.92 is: 175,665,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,448,645.28 : 539,070,117.36 = 117,132,725.92 : x
  2. Step 2: Convert to fraction form
    359,448,645.28/539,070,117.36 = 117,132,725.92/x
  3. Step 3: Cross multiply
    359,448,645.28x = 539,070,117.36 × 117,132,725.92
  4. Step 4: Simplify right side
    359,448,645.28x = 63,142,752,308,391,120
  5. Step 5: Solve for x
    x = 63,142,752,308,391,120/359,448,645.28
  6. Step 6: Final answer
    x = 175,665,573.20

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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.