Home / 67,165,890.30-100,748,835.45-21,727,684.80

Finding the Fourth Proportional to 67,165,890.30, 100,748,835.45 and 21,727,684.80

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Solution

The fourth proportional to 67,165,890.30, 100,748,835.45 and 21,727,684.80 is: 32,591,527.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,165,890.30 : 100,748,835.45 = 21,727,684.80 : x
  2. Step 2: Convert to fraction form
    67,165,890.30/100,748,835.45 = 21,727,684.80/x
  3. Step 3: Cross multiply
    67,165,890.30x = 100,748,835.45 × 21,727,684.80
  4. Step 4: Simplify right side
    67,165,890.30x = 2,189,038,940,624,666.25
  5. Step 5: Solve for x
    x = 2,189,038,940,624,666.25/67,165,890.30
  6. Step 6: Final answer
    x = 32,591,527.20

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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.