Home / 125,591,780.40-188,387,670.60-118,027,287.60

Finding the Fourth Proportional to 125,591,780.40, 188,387,670.60 and 118,027,287.60

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Solution

The fourth proportional to 125,591,780.40, 188,387,670.60 and 118,027,287.60 is: 177,040,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,591,780.40 : 188,387,670.60 = 118,027,287.60 : x
  2. Step 2: Convert to fraction form
    125,591,780.40/188,387,670.60 = 118,027,287.60/x
  3. Step 3: Cross multiply
    125,591,780.40x = 188,387,670.60 × 118,027,287.60
  4. Step 4: Simplify right side
    125,591,780.40x = 22,234,885,778,200,264
  5. Step 5: Solve for x
    x = 22,234,885,778,200,264/125,591,780.40
  6. Step 6: Final answer
    x = 177,040,931.40

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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.