Home / 80,256,000.40-120,384,000.60-59,818,598.80

Finding the Fourth Proportional to 80,256,000.40, 120,384,000.60 and 59,818,598.80

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Solution

The fourth proportional to 80,256,000.40, 120,384,000.60 and 59,818,598.80 is: 89,727,898.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,256,000.40 : 120,384,000.60 = 59,818,598.80 : x
  2. Step 2: Convert to fraction form
    80,256,000.40/120,384,000.60 = 59,818,598.80/x
  3. Step 3: Cross multiply
    80,256,000.40x = 120,384,000.60 × 59,818,598.80
  4. Step 4: Simplify right side
    80,256,000.40x = 7,201,202,233,830,359
  5. Step 5: Solve for x
    x = 7,201,202,233,830,359/80,256,000.40
  6. Step 6: Final answer
    x = 89,727,898.20

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1.5x scale

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.