Home / 74,693,616.20-112,032,129.90-61,206,921.80

Finding the Fourth Proportional to 74,693,616.20, 112,032,129.90 and 61,206,921.80

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Solution

The fourth proportional to 74,693,616.20, 112,032,129.90 and 61,206,921.80 is: 91,803,585.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,693,616.20 : 112,032,129.90 = 61,206,921.80 : x
  2. Step 2: Convert to fraction form
    74,693,616.20/112,032,129.90 = 61,206,921.80/x
  3. Step 3: Cross multiply
    74,693,616.20x = 112,032,129.90 × 61,206,921.80
  4. Step 4: Simplify right side
    74,693,616.20x = 6,857,141,813,876,742
  5. Step 5: Solve for x
    x = 6,857,141,813,876,742/74,693,616.20
  6. Step 6: Final answer
    x = 91,803,585.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.