Home / 213,790,125.60-320,555,280.60-84,248,429.40

Finding the Fourth Proportional to 213,790,125.60, 320,555,280.60 and 84,248,429.40

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Solution

The fourth proportional to 213,790,125.60, 320,555,280.60 and 84,248,429.40 is: 126,321,451.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,790,125.60 : 320,555,280.60 = 84,248,429.40 : x
  2. Step 2: Convert to fraction form
    213,790,125.60/320,555,280.60 = 84,248,429.40/x
  3. Step 3: Cross multiply
    213,790,125.60x = 320,555,280.60 × 84,248,429.40
  4. Step 4: Simplify right side
    213,790,125.60x = 27,006,278,926,426,292
  5. Step 5: Solve for x
    x = 27,006,278,926,426,292/213,790,125.60
  6. Step 6: Final answer
    x = 126,321,451.24

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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.