Home / 65,419,124.07-90,278,984.25-36,051,508.92

Finding the Fourth Proportional to 65,419,124.07, 90,278,984.25 and 36,051,508.92

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Solution

The fourth proportional to 65,419,124.07, 90,278,984.25 and 36,051,508.92 is: 49,751,409.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,419,124.07 : 90,278,984.25 = 36,051,508.92 : x
  2. Step 2: Convert to fraction form
    65,419,124.07/90,278,984.25 = 36,051,508.92/x
  3. Step 3: Cross multiply
    65,419,124.07x = 90,278,984.25 × 36,051,508.92
  4. Step 4: Simplify right side
    65,419,124.07x = 3,254,693,605,977,414.50
  5. Step 5: Solve for x
    x = 3,254,693,605,977,414.50/65,419,124.07
  6. Step 6: Final answer
    x = 49,751,409.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.