Home / 131,958,155.60-197,986,999.80-63,861,131.60

Finding the Fourth Proportional to 131,958,155.60, 197,986,999.80 and 63,861,131.60

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Solution

The fourth proportional to 131,958,155.60, 197,986,999.80 and 63,861,131.60 is: 95,815,781.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,958,155.60 : 197,986,999.80 = 63,861,131.60 : x
  2. Step 2: Convert to fraction form
    131,958,155.60/197,986,999.80 = 63,861,131.60/x
  3. Step 3: Cross multiply
    131,958,155.60x = 197,986,999.80 × 63,861,131.60
  4. Step 4: Simplify right side
    131,958,155.60x = 12,643,673,849,316,974
  5. Step 5: Solve for x
    x = 12,643,673,849,316,974/131,958,155.60
  6. Step 6: Final answer
    x = 95,815,781.84

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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.