Home / 135,904,428.80-203,856,643.20-84,943,635.20

Finding the Fourth Proportional to 135,904,428.80, 203,856,643.20 and 84,943,635.20

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Solution

The fourth proportional to 135,904,428.80, 203,856,643.20 and 84,943,635.20 is: 127,415,452.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,904,428.80 : 203,856,643.20 = 84,943,635.20 : x
  2. Step 2: Convert to fraction form
    135,904,428.80/203,856,643.20 = 84,943,635.20/x
  3. Step 3: Cross multiply
    135,904,428.80x = 203,856,643.20 × 84,943,635.20
  4. Step 4: Simplify right side
    135,904,428.80x = 17,316,324,333,077,360
  5. Step 5: Solve for x
    x = 17,316,324,333,077,360/135,904,428.80
  6. Step 6: Final answer
    x = 127,415,452.80

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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.