Home / 108,442,065.60-162,789,069.60-65,359,915.20

Finding the Fourth Proportional to 108,442,065.60, 162,789,069.60 and 65,359,915.20

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Solution

The fourth proportional to 108,442,065.60, 162,789,069.60 and 65,359,915.20 is: 98,115,797.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,442,065.60 : 162,789,069.60 = 65,359,915.20 : x
  2. Step 2: Convert to fraction form
    108,442,065.60/162,789,069.60 = 65,359,915.20/x
  3. Step 3: Cross multiply
    108,442,065.60x = 162,789,069.60 × 65,359,915.20
  4. Step 4: Simplify right side
    108,442,065.60x = 10,639,879,784,542,898
  5. Step 5: Solve for x
    x = 10,639,879,784,542,898/108,442,065.60
  6. Step 6: Final answer
    x = 98,115,797.83

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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.