Home / 123,239,631.20-170,076,005.17-68,235,492.56

Finding the Fourth Proportional to 123,239,631.20, 170,076,005.17 and 68,235,492.56

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Solution

The fourth proportional to 123,239,631.20, 170,076,005.17 and 68,235,492.56 is: 94,167,922.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,239,631.20 : 170,076,005.17 = 68,235,492.56 : x
  2. Step 2: Convert to fraction form
    123,239,631.20/170,076,005.17 = 68,235,492.56/x
  3. Step 3: Cross multiply
    123,239,631.20x = 170,076,005.17 × 68,235,492.56
  4. Step 4: Simplify right side
    123,239,631.20x = 11,605,219,984,561,676
  5. Step 5: Solve for x
    x = 11,605,219,984,561,676/123,239,631.20
  6. Step 6: Final answer
    x = 94,167,922.06

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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.