Home / 126,234,815.40-189,352,223.10-65,642,668.20

Finding the Fourth Proportional to 126,234,815.40, 189,352,223.10 and 65,642,668.20

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Solution

The fourth proportional to 126,234,815.40, 189,352,223.10 and 65,642,668.20 is: 98,464,002.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,234,815.40 : 189,352,223.10 = 65,642,668.20 : x
  2. Step 2: Convert to fraction form
    126,234,815.40/189,352,223.10 = 65,642,668.20/x
  3. Step 3: Cross multiply
    126,234,815.40x = 189,352,223.10 × 65,642,668.20
  4. Step 4: Simplify right side
    126,234,815.40x = 12,429,585,153,885,676
  5. Step 5: Solve for x
    x = 12,429,585,153,885,676/126,234,815.40
  6. Step 6: Final answer
    x = 98,464,002.30

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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.