Home / 359,221,572.80-538,832,359.20-155,148,228.80

Finding the Fourth Proportional to 359,221,572.80, 538,832,359.20 and 155,148,228.80

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Solution

The fourth proportional to 359,221,572.80, 538,832,359.20 and 155,148,228.80 is: 232,722,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,221,572.80 : 538,832,359.20 = 155,148,228.80 : x
  2. Step 2: Convert to fraction form
    359,221,572.80/538,832,359.20 = 155,148,228.80/x
  3. Step 3: Cross multiply
    359,221,572.80x = 538,832,359.20 × 155,148,228.80
  4. Step 4: Simplify right side
    359,221,572.80x = 83,598,886,150,005,392
  5. Step 5: Solve for x
    x = 83,598,886,150,005,392/359,221,572.80
  6. Step 6: Final answer
    x = 232,722,343.20

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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.