Home / 107,965,861.20-161,972,411.40-53,404,585.20

Finding the Fourth Proportional to 107,965,861.20, 161,972,411.40 and 53,404,585.20

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Solution

The fourth proportional to 107,965,861.20, 161,972,411.40 and 53,404,585.20 is: 80,118,561.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,965,861.20 : 161,972,411.40 = 53,404,585.20 : x
  2. Step 2: Convert to fraction form
    107,965,861.20/161,972,411.40 = 53,404,585.20/x
  3. Step 3: Cross multiply
    107,965,861.20x = 161,972,411.40 × 53,404,585.20
  4. Step 4: Simplify right side
    107,965,861.20x = 8,650,069,444,660,752
  5. Step 5: Solve for x
    x = 8,650,069,444,660,752/107,965,861.20
  6. Step 6: Final answer
    x = 80,118,561.08

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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.