Home / 217,158,425.30-325,784,877.15-71,567,210.90

Finding the Fourth Proportional to 217,158,425.30, 325,784,877.15 and 71,567,210.90

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Solution

The fourth proportional to 217,158,425.30, 325,784,877.15 and 71,567,210.90 is: 107,366,384.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,158,425.30 : 325,784,877.15 = 71,567,210.90 : x
  2. Step 2: Convert to fraction form
    217,158,425.30/325,784,877.15 = 71,567,210.90/x
  3. Step 3: Cross multiply
    217,158,425.30x = 325,784,877.15 × 71,567,210.90
  4. Step 4: Simplify right side
    217,158,425.30x = 23,315,515,011,024,640
  5. Step 5: Solve for x
    x = 23,315,515,011,024,640/217,158,425.30
  6. Step 6: Final answer
    x = 107,366,384.61

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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.