Home / 61,344,000.45-92,016,000.68-18,219,859.65

Finding the Fourth Proportional to 61,344,000.45, 92,016,000.68 and 18,219,859.65

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Solution

The fourth proportional to 61,344,000.45, 92,016,000.68 and 18,219,859.65 is: 27,329,789.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,344,000.45 : 92,016,000.68 = 18,219,859.65 : x
  2. Step 2: Convert to fraction form
    61,344,000.45/92,016,000.68 = 18,219,859.65/x
  3. Step 3: Cross multiply
    61,344,000.45x = 92,016,000.68 × 18,219,859.65
  4. Step 4: Simplify right side
    61,344,000.45x = 1,676,518,617,852,805
  5. Step 5: Solve for x
    x = 1,676,518,617,852,805/61,344,000.45
  6. Step 6: Final answer
    x = 27,329,789.48

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Double scale
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Similar ratio
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1.5x scale

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.