Home / 99,162,799.80-148,744,199.70-53,813,167.80

Finding the Fourth Proportional to 99,162,799.80, 148,744,199.70 and 53,813,167.80

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Solution

The fourth proportional to 99,162,799.80, 148,744,199.70 and 53,813,167.80 is: 80,719,751.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,162,799.80 : 148,744,199.70 = 53,813,167.80 : x
  2. Step 2: Convert to fraction form
    99,162,799.80/148,744,199.70 = 53,813,167.80/x
  3. Step 3: Cross multiply
    99,162,799.80x = 148,744,199.70 × 53,813,167.80
  4. Step 4: Simplify right side
    99,162,799.80x = 8,004,396,577,732,809
  5. Step 5: Solve for x
    x = 8,004,396,577,732,809/99,162,799.80
  6. Step 6: Final answer
    x = 80,719,751.70

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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.