Home / 89,642,946.61-123,704,000.41-49,948,426.44

Finding the Fourth Proportional to 89,642,946.61, 123,704,000.41 and 49,948,426.44

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Solution

The fourth proportional to 89,642,946.61, 123,704,000.41 and 49,948,426.44 is: 68,927,008.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,642,946.61 : 123,704,000.41 = 49,948,426.44 : x
  2. Step 2: Convert to fraction form
    89,642,946.61/123,704,000.41 = 49,948,426.44/x
  3. Step 3: Cross multiply
    89,642,946.61x = 123,704,000.41 × 49,948,426.44
  4. Step 4: Simplify right side
    89,642,946.61x = 6,178,820,165,151,634
  5. Step 5: Solve for x
    x = 6,178,820,165,151,634/89,642,946.61
  6. Step 6: Final answer
    x = 68,927,008.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.