Home / 65,690,886.48-90,649,759.86-36,320,454.96

Finding the Fourth Proportional to 65,690,886.48, 90,649,759.86 and 36,320,454.96

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Solution

The fourth proportional to 65,690,886.48, 90,649,759.86 and 36,320,454.96 is: 50,120,202.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,690,886.48 : 90,649,759.86 = 36,320,454.96 : x
  2. Step 2: Convert to fraction form
    65,690,886.48/90,649,759.86 = 36,320,454.96/x
  3. Step 3: Cross multiply
    65,690,886.48x = 90,649,759.86 × 36,320,454.96
  4. Step 4: Simplify right side
    65,690,886.48x = 3,292,440,520,129,946
  5. Step 5: Solve for x
    x = 3,292,440,520,129,946/65,690,886.48
  6. Step 6: Final answer
    x = 50,120,202.31

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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.