Home / 278,122,850.64-383,857,034.40-160,627,062.96

Finding the Fourth Proportional to 278,122,850.64, 383,857,034.40 and 160,627,062.96

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Solution

The fourth proportional to 278,122,850.64, 383,857,034.40 and 160,627,062.96 is: 221,692,780.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,122,850.64 : 383,857,034.40 = 160,627,062.96 : x
  2. Step 2: Convert to fraction form
    278,122,850.64/383,857,034.40 = 160,627,062.96/x
  3. Step 3: Cross multiply
    278,122,850.64x = 383,857,034.40 × 160,627,062.96
  4. Step 4: Simplify right side
    278,122,850.64x = 61,657,828,032,207,688
  5. Step 5: Solve for x
    x = 61,657,828,032,207,688/278,122,850.64
  6. Step 6: Final answer
    x = 221,692,780.33

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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.