Home / 215,520,941.60-323,281,412.40-62,172,000.80

Finding the Fourth Proportional to 215,520,941.60, 323,281,412.40 and 62,172,000.80

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Solution

The fourth proportional to 215,520,941.60, 323,281,412.40 and 62,172,000.80 is: 93,258,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,520,941.60 : 323,281,412.40 = 62,172,000.80 : x
  2. Step 2: Convert to fraction form
    215,520,941.60/323,281,412.40 = 62,172,000.80/x
  3. Step 3: Cross multiply
    215,520,941.60x = 323,281,412.40 × 62,172,000.80
  4. Step 4: Simplify right side
    215,520,941.60x = 20,099,052,230,357,928
  5. Step 5: Solve for x
    x = 20,099,052,230,357,928/215,520,941.60
  6. Step 6: Final answer
    x = 93,258,001.20

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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.