Home / 274,240,540.68-411,384,725.88-77,506,021.68

Finding the Fourth Proportional to 274,240,540.68, 411,384,725.88 and 77,506,021.68

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Solution

The fourth proportional to 274,240,540.68, 411,384,725.88 and 77,506,021.68 is: 116,265,791.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,240,540.68 : 411,384,725.88 = 77,506,021.68 : x
  2. Step 2: Convert to fraction form
    274,240,540.68/411,384,725.88 = 77,506,021.68/x
  3. Step 3: Cross multiply
    274,240,540.68x = 411,384,725.88 × 77,506,021.68
  4. Step 4: Simplify right side
    274,240,540.68x = 31,884,793,482,876,140
  5. Step 5: Solve for x
    x = 31,884,793,482,876,140/274,240,540.68
  6. Step 6: Final answer
    x = 116,265,791.35

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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.