Home / 118,829,335.52-178,118,201.10-39,970,770.75

Finding the Fourth Proportional to 118,829,335.52, 178,118,201.10 and 39,970,770.75

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Solution

The fourth proportional to 118,829,335.52, 178,118,201.10 and 39,970,770.75 is: 59,913,839.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,829,335.52 : 178,118,201.10 = 39,970,770.75 : x
  2. Step 2: Convert to fraction form
    118,829,335.52/178,118,201.10 = 39,970,770.75/x
  3. Step 3: Cross multiply
    118,829,335.52x = 178,118,201.10 × 39,970,770.75
  4. Step 4: Simplify right side
    118,829,335.52x = 7,119,521,782,570,498
  5. Step 5: Solve for x
    x = 7,119,521,782,570,498/118,829,335.52
  6. Step 6: Final answer
    x = 59,913,839.89

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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.