Home / 118,829,342.50-178,118,211.60-39,970,777.78

Finding the Fourth Proportional to 118,829,342.50, 178,118,211.60 and 39,970,777.78

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Solution

The fourth proportional to 118,829,342.50, 178,118,211.60 and 39,970,777.78 is: 59,913,850.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,829,342.50 : 178,118,211.60 = 39,970,777.78 : x
  2. Step 2: Convert to fraction form
    118,829,342.50/178,118,211.60 = 39,970,777.78/x
  3. Step 3: Cross multiply
    118,829,342.50x = 178,118,211.60 × 39,970,777.78
  4. Step 4: Simplify right side
    118,829,342.50x = 7,119,523,454,434,618
  5. Step 5: Solve for x
    x = 7,119,523,454,434,618/118,829,342.50
  6. Step 6: Final answer
    x = 59,913,850.44

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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.