Home / 80,559,099.40-120,696,348.30-77,895,041.80

Finding the Fourth Proportional to 80,559,099.40, 120,696,348.30 and 77,895,041.80

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Solution

The fourth proportional to 80,559,099.40, 120,696,348.30 and 77,895,041.80 is: 116,704,967.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,559,099.40 : 120,696,348.30 = 77,895,041.80 : x
  2. Step 2: Convert to fraction form
    80,559,099.40/120,696,348.30 = 77,895,041.80/x
  3. Step 3: Cross multiply
    80,559,099.40x = 120,696,348.30 × 77,895,041.80
  4. Step 4: Simplify right side
    80,559,099.40x = 9,401,647,095,935,858
  5. Step 5: Solve for x
    x = 9,401,647,095,935,858/80,559,099.40
  6. Step 6: Final answer
    x = 116,704,967.73

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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.