Home / 80,559,097.40-120,696,345.30-77,895,039.80

Finding the Fourth Proportional to 80,559,097.40, 120,696,345.30 and 77,895,039.80

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Solution

The fourth proportional to 80,559,097.40, 120,696,345.30 and 77,895,039.80 is: 116,704,964.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,559,097.40 : 120,696,345.30 = 77,895,039.80 : x
  2. Step 2: Convert to fraction form
    80,559,097.40/120,696,345.30 = 77,895,039.80/x
  3. Step 3: Cross multiply
    80,559,097.40x = 120,696,345.30 × 77,895,039.80
  4. Step 4: Simplify right side
    80,559,097.40x = 9,401,646,620,858,042
  5. Step 5: Solve for x
    x = 9,401,646,620,858,042/80,559,097.40
  6. Step 6: Final answer
    x = 116,704,964.73

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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.