Home / 290,142,555.53-435,392,262.68-115,234,988.85

Finding the Fourth Proportional to 290,142,555.53, 435,392,262.68 and 115,234,988.85

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Solution

The fourth proportional to 290,142,555.53, 435,392,262.68 and 115,234,988.85 is: 172,923,349.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,142,555.53 : 435,392,262.68 = 115,234,988.85 : x
  2. Step 2: Convert to fraction form
    290,142,555.53/435,392,262.68 = 115,234,988.85/x
  3. Step 3: Cross multiply
    290,142,555.53x = 435,392,262.68 × 115,234,988.85
  4. Step 4: Simplify right side
    290,142,555.53x = 50,172,422,534,729,896
  5. Step 5: Solve for x
    x = 50,172,422,534,729,896/290,142,555.53
  6. Step 6: Final answer
    x = 172,923,349.50

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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.