Home / 116,979,206.64-161,436,348.44-64,768,240.74

Finding the Fourth Proportional to 116,979,206.64, 161,436,348.44 and 64,768,240.74

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Solution

The fourth proportional to 116,979,206.64, 161,436,348.44 and 64,768,240.74 is: 89,382,964.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,979,206.64 : 161,436,348.44 = 64,768,240.74 : x
  2. Step 2: Convert to fraction form
    116,979,206.64/161,436,348.44 = 64,768,240.74/x
  3. Step 3: Cross multiply
    116,979,206.64x = 161,436,348.44 × 64,768,240.74
  4. Step 4: Simplify right side
    116,979,206.64x = 10,455,948,280,472,870
  5. Step 5: Solve for x
    x = 10,455,948,280,472,870/116,979,206.64
  6. Step 6: Final answer
    x = 89,382,964.56

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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.