Home / 98,010,168.60-147,015,252.90-82,704,667.80

Finding the Fourth Proportional to 98,010,168.60, 147,015,252.90 and 82,704,667.80

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Solution

The fourth proportional to 98,010,168.60, 147,015,252.90 and 82,704,667.80 is: 124,057,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,010,168.60 : 147,015,252.90 = 82,704,667.80 : x
  2. Step 2: Convert to fraction form
    98,010,168.60/147,015,252.90 = 82,704,667.80/x
  3. Step 3: Cross multiply
    98,010,168.60x = 147,015,252.90 × 82,704,667.80
  4. Step 4: Simplify right side
    98,010,168.60x = 12,158,847,652,627,486
  5. Step 5: Solve for x
    x = 12,158,847,652,627,486/98,010,168.60
  6. Step 6: Final answer
    x = 124,057,001.70

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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.