Home / 278,462,423.61-384,255,648.18-160,995,323.88

Finding the Fourth Proportional to 278,462,423.61, 384,255,648.18 and 160,995,323.88

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Solution

The fourth proportional to 278,462,423.61, 384,255,648.18 and 160,995,323.88 is: 222,160,540.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,462,423.61 : 384,255,648.18 = 160,995,323.88 : x
  2. Step 2: Convert to fraction form
    278,462,423.61/384,255,648.18 = 160,995,323.88/x
  3. Step 3: Cross multiply
    278,462,423.61x = 384,255,648.18 × 160,995,323.88
  4. Step 4: Simplify right side
    278,462,423.61x = 61,863,362,531,458,432
  5. Step 5: Solve for x
    x = 61,863,362,531,458,432/278,462,423.61
  6. Step 6: Final answer
    x = 222,160,540.48

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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.