Home / 135,648,381.60-203,472,572.40-130,357,591.20

Finding the Fourth Proportional to 135,648,381.60, 203,472,572.40 and 130,357,591.20

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Solution

The fourth proportional to 135,648,381.60, 203,472,572.40 and 130,357,591.20 is: 195,536,386.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,648,381.60 : 203,472,572.40 = 130,357,591.20 : x
  2. Step 2: Convert to fraction form
    135,648,381.60/203,472,572.40 = 130,357,591.20/x
  3. Step 3: Cross multiply
    135,648,381.60x = 203,472,572.40 × 130,357,591.20
  4. Step 4: Simplify right side
    135,648,381.60x = 26,524,194,413,331,604
  5. Step 5: Solve for x
    x = 26,524,194,413,331,604/135,648,381.60
  6. Step 6: Final answer
    x = 195,536,386.80

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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.