Home / 98,486,782.56-135,918,797.04-54,432,833.76

Finding the Fourth Proportional to 98,486,782.56, 135,918,797.04 and 54,432,833.76

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Solution

The fourth proportional to 98,486,782.56, 135,918,797.04 and 54,432,833.76 is: 75,121,199.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,486,782.56 : 135,918,797.04 = 54,432,833.76 : x
  2. Step 2: Convert to fraction form
    98,486,782.56/135,918,797.04 = 54,432,833.76/x
  3. Step 3: Cross multiply
    98,486,782.56x = 135,918,797.04 × 54,432,833.76
  4. Step 4: Simplify right side
    98,486,782.56x = 7,398,445,284,137,499
  5. Step 5: Solve for x
    x = 7,398,445,284,137,499/98,486,782.56
  6. Step 6: Final answer
    x = 75,121,199.94

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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.