Home / 107,648,521.20-161,632,214.10-83,414,811.60

Finding the Fourth Proportional to 107,648,521.20, 161,632,214.10 and 83,414,811.60

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Solution

The fourth proportional to 107,648,521.20, 161,632,214.10 and 83,414,811.60 is: 125,245,758.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,648,521.20 : 161,632,214.10 = 83,414,811.60 : x
  2. Step 2: Convert to fraction form
    107,648,521.20/161,632,214.10 = 83,414,811.60/x
  3. Step 3: Cross multiply
    107,648,521.20x = 161,632,214.10 × 83,414,811.60
  4. Step 4: Simplify right side
    107,648,521.20x = 13,482,520,687,642,362
  5. Step 5: Solve for x
    x = 13,482,520,687,642,362/107,648,521.20
  6. Step 6: Final answer
    x = 125,245,758.49

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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.