Home / 123,379,882.02-170,261,339.85-68,374,557.54

Finding the Fourth Proportional to 123,379,882.02, 170,261,339.85 and 68,374,557.54

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Solution

The fourth proportional to 123,379,882.02, 170,261,339.85 and 68,374,557.54 is: 94,355,283.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,379,882.02 : 170,261,339.85 = 68,374,557.54 : x
  2. Step 2: Convert to fraction form
    123,379,882.02/170,261,339.85 = 68,374,557.54/x
  3. Step 3: Cross multiply
    123,379,882.02x = 170,261,339.85 × 68,374,557.54
  4. Step 4: Simplify right side
    123,379,882.02x = 11,641,543,778,411,320
  5. Step 5: Solve for x
    x = 11,641,543,778,411,320/123,379,882.02
  6. Step 6: Final answer
    x = 94,355,283.76

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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.