Home / 98,286,765.72-135,684,841.14-61,129,023.36

Finding the Fourth Proportional to 98,286,765.72, 135,684,841.14 and 61,129,023.36

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Solution

The fourth proportional to 98,286,765.72, 135,684,841.14 and 61,129,023.36 is: 84,388,592.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,286,765.72 : 135,684,841.14 = 61,129,023.36 : x
  2. Step 2: Convert to fraction form
    98,286,765.72/135,684,841.14 = 61,129,023.36/x
  3. Step 3: Cross multiply
    98,286,765.72x = 135,684,841.14 × 61,129,023.36
  4. Step 4: Simplify right side
    98,286,765.72x = 8,294,281,823,644,948
  5. Step 5: Solve for x
    x = 8,294,281,823,644,948/98,286,765.72
  6. Step 6: Final answer
    x = 84,388,592.53

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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.