Home / 98,344,849.78-135,712,328.04-54,290,900.46

Finding the Fourth Proportional to 98,344,849.78, 135,712,328.04 and 54,290,900.46

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Solution

The fourth proportional to 98,344,849.78, 135,712,328.04 and 54,290,900.46 is: 74,919,474.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,344,849.78 : 135,712,328.04 = 54,290,900.46 : x
  2. Step 2: Convert to fraction form
    98,344,849.78/135,712,328.04 = 54,290,900.46/x
  3. Step 3: Cross multiply
    98,344,849.78x = 135,712,328.04 × 54,290,900.46
  4. Step 4: Simplify right side
    98,344,849.78x = 7,367,944,493,323,427
  5. Step 5: Solve for x
    x = 7,367,944,493,323,427/98,344,849.78
  6. Step 6: Final answer
    x = 74,919,474.78

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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.