Home / 123,700,635.78-170,702,200.41-68,700,035.22

Finding the Fourth Proportional to 123,700,635.78, 170,702,200.41 and 68,700,035.22

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Solution

The fourth proportional to 123,700,635.78, 170,702,200.41 and 68,700,035.22 is: 94,803,451.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,700,635.78 : 170,702,200.41 = 68,700,035.22 : x
  2. Step 2: Convert to fraction form
    123,700,635.78/170,702,200.41 = 68,700,035.22/x
  3. Step 3: Cross multiply
    123,700,635.78x = 170,702,200.41 × 68,700,035.22
  4. Step 4: Simplify right side
    123,700,635.78x = 11,727,247,180,298,498
  5. Step 5: Solve for x
    x = 11,727,247,180,298,498/123,700,635.78
  6. Step 6: Final answer
    x = 94,803,451.14

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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.