Home / 100,897,284.44-139,238,251.72-54,487,534.28

Finding the Fourth Proportional to 100,897,284.44, 139,238,251.72 and 54,487,534.28

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Solution

The fourth proportional to 100,897,284.44, 139,238,251.72 and 54,487,534.28 is: 75,192,796.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,897,284.44 : 139,238,251.72 = 54,487,534.28 : x
  2. Step 2: Convert to fraction form
    100,897,284.44/139,238,251.72 = 54,487,534.28/x
  3. Step 3: Cross multiply
    100,897,284.44x = 139,238,251.72 × 54,487,534.28
  4. Step 4: Simplify right side
    100,897,284.44x = 7,586,749,013,680,769
  5. Step 5: Solve for x
    x = 7,586,749,013,680,769/100,897,284.44
  6. Step 6: Final answer
    x = 75,192,796.87

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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.