Home / 156,342,642.57-234,361,461.56-74,439,514.44

Finding the Fourth Proportional to 156,342,642.57, 234,361,461.56 and 74,439,514.44

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Solution

The fourth proportional to 156,342,642.57, 234,361,461.56 and 74,439,514.44 is: 111,586,660.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,342,642.57 : 234,361,461.56 = 74,439,514.44 : x
  2. Step 2: Convert to fraction form
    156,342,642.57/234,361,461.56 = 74,439,514.44/x
  3. Step 3: Cross multiply
    156,342,642.57x = 234,361,461.56 × 74,439,514.44
  4. Step 4: Simplify right side
    156,342,642.57x = 17,445,753,401,602,928
  5. Step 5: Solve for x
    x = 17,445,753,401,602,928/156,342,642.57
  6. Step 6: Final answer
    x = 111,586,660.65

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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.