Home / 80,559,114.90-120,696,371.55-77,895,057.30

Finding the Fourth Proportional to 80,559,114.90, 120,696,371.55 and 77,895,057.30

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Solution

The fourth proportional to 80,559,114.90, 120,696,371.55 and 77,895,057.30 is: 116,704,990.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,559,114.90 : 120,696,371.55 = 77,895,057.30 : x
  2. Step 2: Convert to fraction form
    80,559,114.90/120,696,371.55 = 77,895,057.30/x
  3. Step 3: Cross multiply
    80,559,114.90x = 120,696,371.55 × 77,895,057.30
  4. Step 4: Simplify right side
    80,559,114.90x = 9,401,650,777,789,340
  5. Step 5: Solve for x
    x = 9,401,650,777,789,340/80,559,114.90
  6. Step 6: Final answer
    x = 116,704,990.98

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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.