Home / 89,837,172.38-123,975,671.50-48,584,064.78

Finding the Fourth Proportional to 89,837,172.38, 123,975,671.50 and 48,584,064.78

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Solution

The fourth proportional to 89,837,172.38, 123,975,671.50 and 48,584,064.78 is: 67,046,211.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,837,172.38 : 123,975,671.50 = 48,584,064.78 : x
  2. Step 2: Convert to fraction form
    89,837,172.38/123,975,671.50 = 48,584,064.78/x
  3. Step 3: Cross multiply
    89,837,172.38x = 123,975,671.50 × 48,584,064.78
  4. Step 4: Simplify right side
    89,837,172.38x = 6,023,242,055,300,000
  5. Step 5: Solve for x
    x = 6,023,242,055,300,000/89,837,172.38
  6. Step 6: Final answer
    x = 67,046,211.45

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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.