Home / 89,712,216.38-123,802,908.42-48,459,109.16

Finding the Fourth Proportional to 89,712,216.38, 123,802,908.42 and 48,459,109.16

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Solution

The fourth proportional to 89,712,216.38, 123,802,908.42 and 48,459,109.16 is: 66,873,597.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712,216.38 : 123,802,908.42 = 48,459,109.16 : x
  2. Step 2: Convert to fraction form
    89,712,216.38/123,802,908.42 = 48,459,109.16/x
  3. Step 3: Cross multiply
    89,712,216.38x = 123,802,908.42 × 48,459,109.16
  4. Step 4: Simplify right side
    89,712,216.38x = 5,999,378,653,450,263
  5. Step 5: Solve for x
    x = 5,999,378,653,450,263/89,712,216.38
  6. Step 6: Final answer
    x = 66,873,597.55

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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.