Home / 142,055,418.88-213,092,751.12-49,927,956.40

Finding the Fourth Proportional to 142,055,418.88, 213,092,751.12 and 49,927,956.40

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Solution

The fourth proportional to 142,055,418.88, 213,092,751.12 and 49,927,956.40 is: 74,895,316.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,055,418.88 : 213,092,751.12 = 49,927,956.40 : x
  2. Step 2: Convert to fraction form
    142,055,418.88/213,092,751.12 = 49,927,956.40/x
  3. Step 3: Cross multiply
    142,055,418.88x = 213,092,751.12 × 49,927,956.40
  4. Step 4: Simplify right side
    142,055,418.88x = 10,639,285,586,542,680
  5. Step 5: Solve for x
    x = 10,639,285,586,542,680/142,055,418.88
  6. Step 6: Final answer
    x = 74,895,316.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.