Home / 83,823,919.20-125,735,878.80-71,069,335.20

Finding the Fourth Proportional to 83,823,919.20, 125,735,878.80 and 71,069,335.20

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Solution

The fourth proportional to 83,823,919.20, 125,735,878.80 and 71,069,335.20 is: 106,604,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,823,919.20 : 125,735,878.80 = 71,069,335.20 : x
  2. Step 2: Convert to fraction form
    83,823,919.20/125,735,878.80 = 71,069,335.20/x
  3. Step 3: Cross multiply
    83,823,919.20x = 125,735,878.80 × 71,069,335.20
  4. Step 4: Simplify right side
    83,823,919.20x = 8,935,965,317,103,774
  5. Step 5: Solve for x
    x = 8,935,965,317,103,774/83,823,919.20
  6. Step 6: Final answer
    x = 106,604,002.80

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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.