Home / 123,298,654.57-170,152,344.24-67,542,851.12

Finding the Fourth Proportional to 123,298,654.57, 170,152,344.24 and 67,542,851.12

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Solution

The fourth proportional to 123,298,654.57, 170,152,344.24 and 67,542,851.12 is: 93,209,244.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,298,654.57 : 170,152,344.24 = 67,542,851.12 : x
  2. Step 2: Convert to fraction form
    123,298,654.57/170,152,344.24 = 67,542,851.12/x
  3. Step 3: Cross multiply
    123,298,654.57x = 170,152,344.24 × 67,542,851.12
  4. Step 4: Simplify right side
    123,298,654.57x = 11,492,574,454,721,312
  5. Step 5: Solve for x
    x = 11,492,574,454,721,312/123,298,654.57
  6. Step 6: Final answer
    x = 93,209,244.62

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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.