Home / 131,949,219.70-197,923,829.55-83,641,232.80

Finding the Fourth Proportional to 131,949,219.70, 197,923,829.55 and 83,641,232.80

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Solution

The fourth proportional to 131,949,219.70, 197,923,829.55 and 83,641,232.80 is: 125,461,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,949,219.70 : 197,923,829.55 = 83,641,232.80 : x
  2. Step 2: Convert to fraction form
    131,949,219.70/197,923,829.55 = 83,641,232.80/x
  3. Step 3: Cross multiply
    131,949,219.70x = 197,923,829.55 × 83,641,232.80
  4. Step 4: Simplify right side
    131,949,219.70x = 16,554,593,104,059,070
  5. Step 5: Solve for x
    x = 16,554,593,104,059,070/131,949,219.70
  6. Step 6: Final answer
    x = 125,461,849.20

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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.