Home / 98,345,555.64-135,713,311.79-54,291,610.43

Finding the Fourth Proportional to 98,345,555.64, 135,713,311.79 and 54,291,610.43

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Solution

The fourth proportional to 98,345,555.64, 135,713,311.79 and 54,291,610.43 is: 74,920,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,345,555.64 : 135,713,311.79 = 54,291,610.43 : x
  2. Step 2: Convert to fraction form
    98,345,555.64/135,713,311.79 = 54,291,610.43/x
  3. Step 3: Cross multiply
    98,345,555.64x = 135,713,311.79 × 54,291,610.43
  4. Step 4: Simplify right side
    98,345,555.64x = 7,368,094,252,917,781
  5. Step 5: Solve for x
    x = 7,368,094,252,917,781/98,345,555.64
  6. Step 6: Final answer
    x = 74,920,459.85

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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.