Home / 84,749,871.96-127,092,540.78-50,216,018.76

Finding the Fourth Proportional to 84,749,871.96, 127,092,540.78 and 50,216,018.76

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Solution

The fourth proportional to 84,749,871.96, 127,092,540.78 and 50,216,018.76 is: 75,304,909.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,749,871.96 : 127,092,540.78 = 50,216,018.76 : x
  2. Step 2: Convert to fraction form
    84,749,871.96/127,092,540.78 = 50,216,018.76/x
  3. Step 3: Cross multiply
    84,749,871.96x = 127,092,540.78 × 50,216,018.76
  4. Step 4: Simplify right side
    84,749,871.96x = 6,382,081,412,064,545
  5. Step 5: Solve for x
    x = 6,382,081,412,064,545/84,749,871.96
  6. Step 6: Final answer
    x = 75,304,909.19

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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.