Home / 147,231,795.60-220,847,693.40-92,812,237.20

Finding the Fourth Proportional to 147,231,795.60, 220,847,693.40 and 92,812,237.20

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Solution

The fourth proportional to 147,231,795.60, 220,847,693.40 and 92,812,237.20 is: 139,218,355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,231,795.60 : 220,847,693.40 = 92,812,237.20 : x
  2. Step 2: Convert to fraction form
    147,231,795.60/220,847,693.40 = 92,812,237.20/x
  3. Step 3: Cross multiply
    147,231,795.60x = 220,847,693.40 × 92,812,237.20
  4. Step 4: Simplify right side
    147,231,795.60x = 20,497,368,504,913,676
  5. Step 5: Solve for x
    x = 20,497,368,504,913,676/147,231,795.60
  6. Step 6: Final answer
    x = 139,218,355.80

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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.