Home / 54,432,006.40-81,648,009.60-39,126,505.60

Finding the Fourth Proportional to 54,432,006.40, 81,648,009.60 and 39,126,505.60

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Solution

The fourth proportional to 54,432,006.40, 81,648,009.60 and 39,126,505.60 is: 58,689,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,432,006.40 : 81,648,009.60 = 39,126,505.60 : x
  2. Step 2: Convert to fraction form
    54,432,006.40/81,648,009.60 = 39,126,505.60/x
  3. Step 3: Cross multiply
    54,432,006.40x = 81,648,009.60 × 39,126,505.60
  4. Step 4: Simplify right side
    54,432,006.40x = 3,194,601,304,843,253.50
  5. Step 5: Solve for x
    x = 3,194,601,304,843,253.50/54,432,006.40
  6. Step 6: Final answer
    x = 58,689,758.40

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Similar ratio
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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.