Home / 123,418,868.48-170,317,094.81-67,663,621.70

Finding the Fourth Proportional to 123,418,868.48, 170,317,094.81 and 67,663,621.70

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Solution

The fourth proportional to 123,418,868.48, 170,317,094.81 and 67,663,621.70 is: 93,375,280.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,418,868.48 : 170,317,094.81 = 67,663,621.70 : x
  2. Step 2: Convert to fraction form
    123,418,868.48/170,317,094.81 = 67,663,621.70/x
  3. Step 3: Cross multiply
    123,418,868.48x = 170,317,094.81 × 67,663,621.70
  4. Step 4: Simplify right side
    123,418,868.48x = 11,524,271,471,076,970
  5. Step 5: Solve for x
    x = 11,524,271,471,076,970/123,418,868.48
  6. Step 6: Final answer
    x = 93,375,280.57

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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.