Home / 170,815,681.38-256,170,536.42-61,626,657.57

Finding the Fourth Proportional to 170,815,681.38, 256,170,536.42 and 61,626,657.57

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Solution

The fourth proportional to 170,815,681.38, 256,170,536.42 and 61,626,657.57 is: 92,420,870.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,815,681.38 : 256,170,536.42 = 61,626,657.57 : x
  2. Step 2: Convert to fraction form
    170,815,681.38/256,170,536.42 = 61,626,657.57/x
  3. Step 3: Cross multiply
    170,815,681.38x = 256,170,536.42 × 61,626,657.57
  4. Step 4: Simplify right side
    170,815,681.38x = 15,786,933,927,170,420
  5. Step 5: Solve for x
    x = 15,786,933,927,170,420/170,815,681.38
  6. Step 6: Final answer
    x = 92,420,870.26

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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.