Home / 106,513,886.40-159,770,829.60-54,857,821.20

Finding the Fourth Proportional to 106,513,886.40, 159,770,829.60 and 54,857,821.20

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Solution

The fourth proportional to 106,513,886.40, 159,770,829.60 and 54,857,821.20 is: 82,286,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,513,886.40 : 159,770,829.60 = 54,857,821.20 : x
  2. Step 2: Convert to fraction form
    106,513,886.40/159,770,829.60 = 54,857,821.20/x
  3. Step 3: Cross multiply
    106,513,886.40x = 159,770,829.60 × 54,857,821.20
  4. Step 4: Simplify right side
    106,513,886.40x = 8,764,679,603,172,468
  5. Step 5: Solve for x
    x = 8,764,679,603,172,468/106,513,886.40
  6. Step 6: Final answer
    x = 82,286,731.80

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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.