Home / 80,587,098.40-120,623,456.40-63,580,986.40

Finding the Fourth Proportional to 80,587,098.40, 120,623,456.40 and 63,580,986.40

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Solution

The fourth proportional to 80,587,098.40, 120,623,456.40 and 63,580,986.40 is: 95,168,562.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,587,098.40 : 120,623,456.40 = 63,580,986.40 : x
  2. Step 2: Convert to fraction form
    80,587,098.40/120,623,456.40 = 63,580,986.40/x
  3. Step 3: Cross multiply
    80,587,098.40x = 120,623,456.40 × 63,580,986.40
  4. Step 4: Simplify right side
    80,587,098.40x = 7,669,358,340,889,393
  5. Step 5: Solve for x
    x = 7,669,358,340,889,393/80,587,098.40
  6. Step 6: Final answer
    x = 95,168,562.87

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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.