Home / 81,624,778.03-112,650,150-60,962,351.95

Finding the Fourth Proportional to 81,624,778.03, 112,650,150 and 60,962,351.95

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Solution

The fourth proportional to 81,624,778.03, 112,650,150 and 60,962,351.95 is: 84,133,987.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,624,778.03 : 112,650,150 = 60,962,351.95 : x
  2. Step 2: Convert to fraction form
    81,624,778.03/112,650,150 = 60,962,351.95/x
  3. Step 3: Cross multiply
    81,624,778.03x = 112,650,150 × 60,962,351.95
  4. Step 4: Simplify right side
    81,624,778.03x = 6,867,418,091,520,293
  5. Step 5: Solve for x
    x = 6,867,418,091,520,293/81,624,778.03
  6. Step 6: Final answer
    x = 84,133,987.95

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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.