Home / 124,693,777.86-172,069,988.36-68,935,857.54

Finding the Fourth Proportional to 124,693,777.86, 172,069,988.36 and 68,935,857.54

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Solution

The fourth proportional to 124,693,777.86, 172,069,988.36 and 68,935,857.54 is: 95,127,378.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,693,777.86 : 172,069,988.36 = 68,935,857.54 : x
  2. Step 2: Convert to fraction form
    124,693,777.86/172,069,988.36 = 68,935,857.54/x
  3. Step 3: Cross multiply
    124,693,777.86x = 172,069,988.36 × 68,935,857.54
  4. Step 4: Simplify right side
    124,693,777.86x = 11,861,792,204,494,420
  5. Step 5: Solve for x
    x = 11,861,792,204,494,420/124,693,777.86
  6. Step 6: Final answer
    x = 95,127,378.51

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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.