Home / 156,348,711.20-234,370,538.03-74,445,590.36

Finding the Fourth Proportional to 156,348,711.20, 234,370,538.03 and 74,445,590.36

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Solution

The fourth proportional to 156,348,711.20, 234,370,538.03 and 74,445,590.36 is: 111,595,758.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,348,711.20 : 234,370,538.03 = 74,445,590.36 : x
  2. Step 2: Convert to fraction form
    156,348,711.20/234,370,538.03 = 74,445,590.36/x
  3. Step 3: Cross multiply
    156,348,711.20x = 234,370,538.03 × 74,445,590.36
  4. Step 4: Simplify right side
    156,348,711.20x = 17,447,853,067,406,220
  5. Step 5: Solve for x
    x = 17,447,853,067,406,220/156,348,711.20
  6. Step 6: Final answer
    x = 111,595,758.82

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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.