Home / 83,410,082.80-125,115,124.20-28,804,520.05

Finding the Fourth Proportional to 83,410,082.80, 125,115,124.20 and 28,804,520.05

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Solution

The fourth proportional to 83,410,082.80, 125,115,124.20 and 28,804,520.05 is: 43,206,780.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,410,082.80 : 125,115,124.20 = 28,804,520.05 : x
  2. Step 2: Convert to fraction form
    83,410,082.80/125,115,124.20 = 28,804,520.05/x
  3. Step 3: Cross multiply
    83,410,082.80x = 125,115,124.20 × 28,804,520.05
  4. Step 4: Simplify right side
    83,410,082.80x = 3,603,881,103,577,140.50
  5. Step 5: Solve for x
    x = 3,603,881,103,577,140.50/83,410,082.80
  6. Step 6: Final answer
    x = 43,206,780.08

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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.