Home / 81,084,863.93-121,609,082.25-37,323,686.48

Finding the Fourth Proportional to 81,084,863.93, 121,609,082.25 and 37,323,686.48

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Solution

The fourth proportional to 81,084,863.93, 121,609,082.25 and 37,323,686.48 is: 55,977,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,084,863.93 : 121,609,082.25 = 37,323,686.48 : x
  2. Step 2: Convert to fraction form
    81,084,863.93/121,609,082.25 = 37,323,686.48/x
  3. Step 3: Cross multiply
    81,084,863.93x = 121,609,082.25 × 37,323,686.48
  4. Step 4: Simplify right side
    81,084,863.93x = 4,538,899,258,411,488
  5. Step 5: Solve for x
    x = 4,538,899,258,411,488/81,084,863.93
  6. Step 6: Final answer
    x = 55,977,145.90

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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.