Home / 100,927,164.27-139,279,547.72-54,517,438.70

Finding the Fourth Proportional to 100,927,164.27, 139,279,547.72 and 54,517,438.70

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Solution

The fourth proportional to 100,927,164.27, 139,279,547.72 and 54,517,438.70 is: 75,234,098.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,927,164.27 : 139,279,547.72 = 54,517,438.70 : x
  2. Step 2: Convert to fraction form
    100,927,164.27/139,279,547.72 = 54,517,438.70/x
  3. Step 3: Cross multiply
    100,927,164.27x = 139,279,547.72 × 54,517,438.70
  4. Step 4: Simplify right side
    100,927,164.27x = 7,593,164,204,988,825
  5. Step 5: Solve for x
    x = 7,593,164,204,988,825/100,927,164.27
  6. Step 6: Final answer
    x = 75,234,098.37

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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.