Home / 90,219,304.22-124,481,300.87-51,061,080.96

Finding the Fourth Proportional to 90,219,304.22, 124,481,300.87 and 51,061,080.96

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Solution

The fourth proportional to 90,219,304.22, 124,481,300.87 and 51,061,080.96 is: 70,452,214.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,219,304.22 : 124,481,300.87 = 51,061,080.96 : x
  2. Step 2: Convert to fraction form
    90,219,304.22/124,481,300.87 = 51,061,080.96/x
  3. Step 3: Cross multiply
    90,219,304.22x = 124,481,300.87 × 51,061,080.96
  4. Step 4: Simplify right side
    90,219,304.22x = 6,356,149,781,280,647
  5. Step 5: Solve for x
    x = 6,356,149,781,280,647/90,219,304.22
  6. Step 6: Final answer
    x = 70,452,214.59

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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.