Home / 156,342,642.82-234,361,461.93-74,439,514.69

Finding the Fourth Proportional to 156,342,642.82, 234,361,461.93 and 74,439,514.69

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Solution

The fourth proportional to 156,342,642.82, 234,361,461.93 and 74,439,514.69 is: 111,586,661.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,342,642.82 : 234,361,461.93 = 74,439,514.69 : x
  2. Step 2: Convert to fraction form
    156,342,642.82/234,361,461.93 = 74,439,514.69/x
  3. Step 3: Cross multiply
    156,342,642.82x = 234,361,461.93 × 74,439,514.69
  4. Step 4: Simplify right side
    156,342,642.82x = 17,445,753,488,108,110
  5. Step 5: Solve for x
    x = 17,445,753,488,108,110/156,342,642.82
  6. Step 6: Final answer
    x = 111,586,661.03

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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.