Home / 89,836,782.30-134,503,231.05-87,317,358.30

Finding the Fourth Proportional to 89,836,782.30, 134,503,231.05 and 87,317,358.30

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Solution

The fourth proportional to 89,836,782.30, 134,503,231.05 and 87,317,358.30 is: 130,731,160.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,836,782.30 : 134,503,231.05 = 87,317,358.30 : x
  2. Step 2: Convert to fraction form
    89,836,782.30/134,503,231.05 = 87,317,358.30/x
  3. Step 3: Cross multiply
    89,836,782.30x = 134,503,231.05 × 87,317,358.30
  4. Step 4: Simplify right side
    89,836,782.30x = 11,744,466,818,100,536
  5. Step 5: Solve for x
    x = 11,744,466,818,100,536/89,836,782.30
  6. Step 6: Final answer
    x = 130,731,160.64

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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.