Home / 177,425,985.60-266,138,978.40-125,769,920.40

Finding the Fourth Proportional to 177,425,985.60, 266,138,978.40 and 125,769,920.40

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Solution

The fourth proportional to 177,425,985.60, 266,138,978.40 and 125,769,920.40 is: 188,654,880.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,425,985.60 : 266,138,978.40 = 125,769,920.40 : x
  2. Step 2: Convert to fraction form
    177,425,985.60/266,138,978.40 = 125,769,920.40/x
  3. Step 3: Cross multiply
    177,425,985.60x = 266,138,978.40 × 125,769,920.40
  4. Step 4: Simplify right side
    177,425,985.60x = 33,472,278,128,705,320
  5. Step 5: Solve for x
    x = 33,472,278,128,705,320/177,425,985.60
  6. Step 6: Final answer
    x = 188,654,880.60

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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.