Home / 359,172,003.80-538,758,005.70-129,148,592.60

Finding the Fourth Proportional to 359,172,003.80, 538,758,005.70 and 129,148,592.60

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Solution

The fourth proportional to 359,172,003.80, 538,758,005.70 and 129,148,592.60 is: 193,722,888.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,172,003.80 : 538,758,005.70 = 129,148,592.60 : x
  2. Step 2: Convert to fraction form
    359,172,003.80/538,758,005.70 = 129,148,592.60/x
  3. Step 3: Cross multiply
    359,172,003.80x = 538,758,005.70 × 129,148,592.60
  4. Step 4: Simplify right side
    359,172,003.80x = 69,579,838,188,137,784
  5. Step 5: Solve for x
    x = 69,579,838,188,137,784/359,172,003.80
  6. Step 6: Final answer
    x = 193,722,888.90

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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.