Home / 109,725,821.67-164,625,320.16-72,982,565.73

Finding the Fourth Proportional to 109,725,821.67, 164,625,320.16 and 72,982,565.73

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Solution

The fourth proportional to 109,725,821.67, 164,625,320.16 and 72,982,565.73 is: 109,498,184.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,725,821.67 : 164,625,320.16 = 72,982,565.73 : x
  2. Step 2: Convert to fraction form
    109,725,821.67/164,625,320.16 = 72,982,565.73/x
  3. Step 3: Cross multiply
    109,725,821.67x = 164,625,320.16 × 72,982,565.73
  4. Step 4: Simplify right side
    109,725,821.67x = 12,014,778,249,399,494
  5. Step 5: Solve for x
    x = 12,014,778,249,399,494/109,725,821.67
  6. Step 6: Final answer
    x = 109,498,184.35

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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.