Home / 89,804,775.60-134,707,163.40-81,195,431.40

Finding the Fourth Proportional to 89,804,775.60, 134,707,163.40 and 81,195,431.40

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Solution

The fourth proportional to 89,804,775.60, 134,707,163.40 and 81,195,431.40 is: 121,793,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,804,775.60 : 134,707,163.40 = 81,195,431.40 : x
  2. Step 2: Convert to fraction form
    89,804,775.60/134,707,163.40 = 81,195,431.40/x
  3. Step 3: Cross multiply
    89,804,775.60x = 134,707,163.40 × 81,195,431.40
  4. Step 4: Simplify right side
    89,804,775.60x = 10,937,606,244,933,292
  5. Step 5: Solve for x
    x = 10,937,606,244,933,292/89,804,775.60
  6. Step 6: Final answer
    x = 121,793,147.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.