Home / 107,648,449.20-161,632,106.10-83,414,739.60

Finding the Fourth Proportional to 107,648,449.20, 161,632,106.10 and 83,414,739.60

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Solution

The fourth proportional to 107,648,449.20, 161,632,106.10 and 83,414,739.60 is: 125,245,650.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,648,449.20 : 161,632,106.10 = 83,414,739.60 : x
  2. Step 2: Convert to fraction form
    107,648,449.20/161,632,106.10 = 83,414,739.60/x
  3. Step 3: Cross multiply
    107,648,449.20x = 161,632,106.10 × 83,414,739.60
  4. Step 4: Simplify right side
    107,648,449.20x = 13,482,500,041,331,070
  5. Step 5: Solve for x
    x = 13,482,500,041,331,070/107,648,449.20
  6. Step 6: Final answer
    x = 125,245,650.46

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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.