Home / 89,489,689.02-123,425,808.51-58,137,839.52

Finding the Fourth Proportional to 89,489,689.02, 123,425,808.51 and 58,137,839.52

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Solution

The fourth proportional to 89,489,689.02, 123,425,808.51 and 58,137,839.52 is: 80,184,766.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,489,689.02 : 123,425,808.51 = 58,137,839.52 : x
  2. Step 2: Convert to fraction form
    89,489,689.02/123,425,808.51 = 58,137,839.52/x
  3. Step 3: Cross multiply
    89,489,689.02x = 123,425,808.51 × 58,137,839.52
  4. Step 4: Simplify right side
    89,489,689.02x = 7,175,709,847,780,631
  5. Step 5: Solve for x
    x = 7,175,709,847,780,631/89,489,689.02
  6. Step 6: Final answer
    x = 80,184,766.83

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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.