Home / 103,521,950.20-155,151,049.20-55,023,038.20

Finding the Fourth Proportional to 103,521,950.20, 155,151,049.20 and 55,023,038.20

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Solution

The fourth proportional to 103,521,950.20, 155,151,049.20 and 55,023,038.20 is: 82,464,463.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,521,950.20 : 155,151,049.20 = 55,023,038.20 : x
  2. Step 2: Convert to fraction form
    103,521,950.20/155,151,049.20 = 55,023,038.20/x
  3. Step 3: Cross multiply
    103,521,950.20x = 155,151,049.20 × 55,023,038.20
  4. Step 4: Simplify right side
    103,521,950.20x = 8,536,882,106,901,679
  5. Step 5: Solve for x
    x = 8,536,882,106,901,679/103,521,950.20
  6. Step 6: Final answer
    x = 82,464,463.72

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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.