Home / 49,423,845.72-68,164,465.02-34,787,962.20

Finding the Fourth Proportional to 49,423,845.72, 68,164,465.02 and 34,787,962.20

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Solution

The fourth proportional to 49,423,845.72, 68,164,465.02 and 34,787,962.20 is: 47,978,921.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,423,845.72 : 68,164,465.02 = 34,787,962.20 : x
  2. Step 2: Convert to fraction form
    49,423,845.72/68,164,465.02 = 34,787,962.20/x
  3. Step 3: Cross multiply
    49,423,845.72x = 68,164,465.02 × 34,787,962.20
  4. Step 4: Simplify right side
    49,423,845.72x = 2,371,302,832,498,982.50
  5. Step 5: Solve for x
    x = 2,371,302,832,498,982.50/49,423,845.72
  6. Step 6: Final answer
    x = 47,978,921.87

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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.