Home / 144,812,858.40-217,229,785.20-87,181,034.40

Finding the Fourth Proportional to 144,812,858.40, 217,229,785.20 and 87,181,034.40

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Solution

The fourth proportional to 144,812,858.40, 217,229,785.20 and 87,181,034.40 is: 130,777,871.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,812,858.40 : 217,229,785.20 = 87,181,034.40 : x
  2. Step 2: Convert to fraction form
    144,812,858.40/217,229,785.20 = 87,181,034.40/x
  3. Step 3: Cross multiply
    144,812,858.40x = 217,229,785.20 × 87,181,034.40
  4. Step 4: Simplify right side
    144,812,858.40x = 18,938,317,376,225,812
  5. Step 5: Solve for x
    x = 18,938,317,376,225,812/144,812,858.40
  6. Step 6: Final answer
    x = 130,777,871.42

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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.