Home / 156,342,762-234,361,640.73-74,439,633.87

Finding the Fourth Proportional to 156,342,762, 234,361,640.73 and 74,439,633.87

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Solution

The fourth proportional to 156,342,762, 234,361,640.73 and 74,439,633.87 is: 111,586,839.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,342,762 : 234,361,640.73 = 74,439,633.87 : x
  2. Step 2: Convert to fraction form
    156,342,762/234,361,640.73 = 74,439,633.87/x
  3. Step 3: Cross multiply
    156,342,762x = 234,361,640.73 × 74,439,633.87
  4. Step 4: Simplify right side
    156,342,762x = 17,445,794,729,113,680
  5. Step 5: Solve for x
    x = 17,445,794,729,113,680/156,342,762
  6. Step 6: Final answer
    x = 111,586,839.75

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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.