Home / 65,430,860.52-90,290,902.86-36,062,104.08

Finding the Fourth Proportional to 65,430,860.52, 90,290,902.86 and 36,062,104.08

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Solution

The fourth proportional to 65,430,860.52, 90,290,902.86 and 36,062,104.08 is: 49,763,672.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,430,860.52 : 90,290,902.86 = 36,062,104.08 : x
  2. Step 2: Convert to fraction form
    65,430,860.52/90,290,902.86 = 36,062,104.08/x
  3. Step 3: Cross multiply
    65,430,860.52x = 90,290,902.86 × 36,062,104.08
  4. Step 4: Simplify right side
    65,430,860.52x = 3,256,079,936,414,489.50
  5. Step 5: Solve for x
    x = 3,256,079,936,414,489.50/65,430,860.52
  6. Step 6: Final answer
    x = 49,763,672.84

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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.