Home / 98,784,397.13-136,322,468.03-55,324,333.13

Finding the Fourth Proportional to 98,784,397.13, 136,322,468.03 and 55,324,333.13

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Solution

The fourth proportional to 98,784,397.13, 136,322,468.03 and 55,324,333.13 is: 76,347,579.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,784,397.13 : 136,322,468.03 = 55,324,333.13 : x
  2. Step 2: Convert to fraction form
    98,784,397.13/136,322,468.03 = 55,324,333.13/x
  3. Step 3: Cross multiply
    98,784,397.13x = 136,322,468.03 × 55,324,333.13
  4. Step 4: Simplify right side
    98,784,397.13x = 7,541,949,633,852,193
  5. Step 5: Solve for x
    x = 7,541,949,633,852,193/98,784,397.13
  6. Step 6: Final answer
    x = 76,347,579.71

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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.