Home / 99,073,432.80-148,610,149.20-60,331,383.90

Finding the Fourth Proportional to 99,073,432.80, 148,610,149.20 and 60,331,383.90

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Solution

The fourth proportional to 99,073,432.80, 148,610,149.20 and 60,331,383.90 is: 90,497,075.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,073,432.80 : 148,610,149.20 = 60,331,383.90 : x
  2. Step 2: Convert to fraction form
    99,073,432.80/148,610,149.20 = 60,331,383.90/x
  3. Step 3: Cross multiply
    99,073,432.80x = 148,610,149.20 × 60,331,383.90
  4. Step 4: Simplify right side
    99,073,432.80x = 8,965,855,962,821,477
  5. Step 5: Solve for x
    x = 8,965,855,962,821,477/99,073,432.80
  6. Step 6: Final answer
    x = 90,497,075.85

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1.5x scale

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.