Home / 115,443,926.28-159,310,648.80-62,520,205.41

Finding the Fourth Proportional to 115,443,926.28, 159,310,648.80 and 62,520,205.41

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Solution

The fourth proportional to 115,443,926.28, 159,310,648.80 and 62,520,205.41 is: 86,276,816.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,443,926.28 : 159,310,648.80 = 62,520,205.41 : x
  2. Step 2: Convert to fraction form
    115,443,926.28/159,310,648.80 = 62,520,205.41/x
  3. Step 3: Cross multiply
    115,443,926.28x = 159,310,648.80 × 62,520,205.41
  4. Step 4: Simplify right side
    115,443,926.28x = 9,960,134,486,976,370
  5. Step 5: Solve for x
    x = 9,960,134,486,976,370/115,443,926.28
  6. Step 6: Final answer
    x = 86,276,816.87

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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.