Home / 49,876,644-68,877,309.60-47,159,356.92

Finding the Fourth Proportional to 49,876,644, 68,877,309.60 and 47,159,356.92

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Solution

The fourth proportional to 49,876,644, 68,877,309.60 and 47,159,356.92 is: 65,124,863.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,876,644 : 68,877,309.60 = 47,159,356.92 : x
  2. Step 2: Convert to fraction form
    49,876,644/68,877,309.60 = 47,159,356.92/x
  3. Step 3: Cross multiply
    49,876,644x = 68,877,309.60 × 47,159,356.92
  4. Step 4: Simplify right side
    49,876,644x = 3,248,209,627,115,742.50
  5. Step 5: Solve for x
    x = 3,248,209,627,115,742.50/49,876,644
  6. Step 6: Final answer
    x = 65,124,863.40

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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.