Home / 101,374,081.92-139,898,047.68-54,965,900.16

Finding the Fourth Proportional to 101,374,081.92, 139,898,047.68 and 54,965,900.16

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Solution

The fourth proportional to 101,374,081.92, 139,898,047.68 and 54,965,900.16 is: 75,853,926.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,374,081.92 : 139,898,047.68 = 54,965,900.16 : x
  2. Step 2: Convert to fraction form
    101,374,081.92/139,898,047.68 = 54,965,900.16/x
  3. Step 3: Cross multiply
    101,374,081.92x = 139,898,047.68 × 54,965,900.16
  4. Step 4: Simplify right side
    101,374,081.92x = 7,689,622,121,357,800
  5. Step 5: Solve for x
    x = 7,689,622,121,357,800/101,374,081.92
  6. Step 6: Final answer
    x = 75,853,926.13

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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.