Home / 123,287,165.92-170,134,203.90-68,281,841.44

Finding the Fourth Proportional to 123,287,165.92, 170,134,203.90 and 68,281,841.44

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Solution

The fourth proportional to 123,287,165.92, 170,134,203.90 and 68,281,841.44 is: 94,227,786.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,287,165.92 : 170,134,203.90 = 68,281,841.44 : x
  2. Step 2: Convert to fraction form
    123,287,165.92/170,134,203.90 = 68,281,841.44/x
  3. Step 3: Cross multiply
    123,287,165.92x = 170,134,203.90 × 68,281,841.44
  4. Step 4: Simplify right side
    123,287,165.92x = 11,617,076,734,220,430
  5. Step 5: Solve for x
    x = 11,617,076,734,220,430/123,287,165.92
  6. Step 6: Final answer
    x = 94,227,786.38

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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.