Home / 90,643,126.13-135,951,029.01-58,081,239.36

Finding the Fourth Proportional to 90,643,126.13, 135,951,029.01 and 58,081,239.36

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Solution

The fourth proportional to 90,643,126.13, 135,951,029.01 and 58,081,239.36 is: 87,113,106.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,643,126.13 : 135,951,029.01 = 58,081,239.36 : x
  2. Step 2: Convert to fraction form
    90,643,126.13/135,951,029.01 = 58,081,239.36/x
  3. Step 3: Cross multiply
    90,643,126.13x = 135,951,029.01 × 58,081,239.36
  4. Step 4: Simplify right side
    90,643,126.13x = 7,896,204,257,168,113
  5. Step 5: Solve for x
    x = 7,896,204,257,168,113/90,643,126.13
  6. Step 6: Final answer
    x = 87,113,106.03

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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.