Home / 359,977,425.12-539,854,694.64-129,917,388.96

Finding the Fourth Proportional to 359,977,425.12, 539,854,694.64 and 129,917,388.96

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Solution

The fourth proportional to 359,977,425.12, 539,854,694.64 and 129,917,388.96 is: 194,835,863.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,977,425.12 : 539,854,694.64 = 129,917,388.96 : x
  2. Step 2: Convert to fraction form
    359,977,425.12/539,854,694.64 = 129,917,388.96/x
  3. Step 3: Cross multiply
    359,977,425.12x = 539,854,694.64 × 129,917,388.96
  4. Step 4: Simplify right side
    359,977,425.12x = 70,136,512,345,426,904
  5. Step 5: Solve for x
    x = 70,136,512,345,426,904/359,977,425.12
  6. Step 6: Final answer
    x = 194,835,863.17

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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.