Home / 186,872,209.20-280,308,313.80-89,804,510.55

Finding the Fourth Proportional to 186,872,209.20, 280,308,313.80 and 89,804,510.55

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Solution

The fourth proportional to 186,872,209.20, 280,308,313.80 and 89,804,510.55 is: 134,706,765.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,872,209.20 : 280,308,313.80 = 89,804,510.55 : x
  2. Step 2: Convert to fraction form
    186,872,209.20/280,308,313.80 = 89,804,510.55/x
  3. Step 3: Cross multiply
    186,872,209.20x = 280,308,313.80 × 89,804,510.55
  4. Step 4: Simplify right side
    186,872,209.20x = 25,172,950,923,904,812
  5. Step 5: Solve for x
    x = 25,172,950,923,904,812/186,872,209.20
  6. Step 6: Final answer
    x = 134,706,765.83

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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.