Home / 156,342,759.74-234,361,637.37-74,439,631.61

Finding the Fourth Proportional to 156,342,759.74, 234,361,637.37 and 74,439,631.61

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Solution

The fourth proportional to 156,342,759.74, 234,361,637.37 and 74,439,631.61 is: 111,586,836.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,342,759.74 : 234,361,637.37 = 74,439,631.61 : x
  2. Step 2: Convert to fraction form
    156,342,759.74/234,361,637.37 = 74,439,631.61/x
  3. Step 3: Cross multiply
    156,342,759.74x = 234,361,637.37 × 74,439,631.61
  4. Step 4: Simplify right side
    156,342,759.74x = 17,445,793,948,167,402
  5. Step 5: Solve for x
    x = 17,445,793,948,167,402/156,342,759.74
  6. Step 6: Final answer
    x = 111,586,836.37

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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.