Home / 123,610,215.84-170,603,209.20-71,389,865.76

Finding the Fourth Proportional to 123,610,215.84, 170,603,209.20 and 71,389,865.76

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Solution

The fourth proportional to 123,610,215.84, 170,603,209.20 and 71,389,865.76 is: 98,530,207.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,610,215.84 : 170,603,209.20 = 71,389,865.76 : x
  2. Step 2: Convert to fraction form
    123,610,215.84/170,603,209.20 = 71,389,865.76/x
  3. Step 3: Cross multiply
    123,610,215.84x = 170,603,209.20 × 71,389,865.76
  4. Step 4: Simplify right side
    123,610,215.84x = 12,179,340,203,013,198
  5. Step 5: Solve for x
    x = 12,179,340,203,013,198/123,610,215.84
  6. Step 6: Final answer
    x = 98,530,207.40

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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.