Home / 177,500,801.60-266,251,202.40-128,749,947.20

Finding the Fourth Proportional to 177,500,801.60, 266,251,202.40 and 128,749,947.20

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Solution

The fourth proportional to 177,500,801.60, 266,251,202.40 and 128,749,947.20 is: 193,124,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,500,801.60 : 266,251,202.40 = 128,749,947.20 : x
  2. Step 2: Convert to fraction form
    177,500,801.60/266,251,202.40 = 128,749,947.20/x
  3. Step 3: Cross multiply
    177,500,801.60x = 266,251,202.40 × 128,749,947.20
  4. Step 4: Simplify right side
    177,500,801.60x = 34,279,828,250,936,516
  5. Step 5: Solve for x
    x = 34,279,828,250,936,516/177,500,801.60
  6. Step 6: Final answer
    x = 193,124,920.80

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1.5x scale

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.