Home / 127,415,800.98-191,002,607.28-81,228,044.97

Finding the Fourth Proportional to 127,415,800.98, 191,002,607.28 and 81,228,044.97

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Solution

The fourth proportional to 127,415,800.98, 191,002,607.28 and 81,228,044.97 is: 121,764,869.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,415,800.98 : 191,002,607.28 = 81,228,044.97 : x
  2. Step 2: Convert to fraction form
    127,415,800.98/191,002,607.28 = 81,228,044.97/x
  3. Step 3: Cross multiply
    127,415,800.98x = 191,002,607.28 × 81,228,044.97
  4. Step 4: Simplify right side
    127,415,800.98x = 15,514,768,373,527,090
  5. Step 5: Solve for x
    x = 15,514,768,373,527,090/127,415,800.98
  6. Step 6: Final answer
    x = 121,764,869.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.