Home / 77,391,837.38-116,051,883.35-28,856,659.46

Finding the Fourth Proportional to 77,391,837.38, 116,051,883.35 and 28,856,659.46

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Solution

The fourth proportional to 77,391,837.38, 116,051,883.35 and 28,856,659.46 is: 43,271,613.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,391,837.38 : 116,051,883.35 = 28,856,659.46 : x
  2. Step 2: Convert to fraction form
    77,391,837.38/116,051,883.35 = 28,856,659.46/x
  3. Step 3: Cross multiply
    77,391,837.38x = 116,051,883.35 × 28,856,659.46
  4. Step 4: Simplify right side
    77,391,837.38x = 3,348,869,676,960,514
  5. Step 5: Solve for x
    x = 3,348,869,676,960,514/77,391,837.38
  6. Step 6: Final answer
    x = 43,271,613.52

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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.