Home / 304,761,865.76-457,152,279.28-145,010,147.12

Finding the Fourth Proportional to 304,761,865.76, 457,152,279.28 and 145,010,147.12

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Solution

The fourth proportional to 304,761,865.76, 457,152,279.28 and 145,010,147.12 is: 217,519,731.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,761,865.76 : 457,152,279.28 = 145,010,147.12 : x
  2. Step 2: Convert to fraction form
    304,761,865.76/457,152,279.28 = 145,010,147.12/x
  3. Step 3: Cross multiply
    304,761,865.76x = 457,152,279.28 × 145,010,147.12
  4. Step 4: Simplify right side
    304,761,865.76x = 66,291,719,274,636,128
  5. Step 5: Solve for x
    x = 66,291,719,274,636,128/304,761,865.76
  6. Step 6: Final answer
    x = 217,519,731.71

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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.