Home / 57,717,101.23-79,649,676.51-31,255,500.72

Finding the Fourth Proportional to 57,717,101.23, 79,649,676.51 and 31,255,500.72

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Solution

The fourth proportional to 57,717,101.23, 79,649,676.51 and 31,255,500.72 is: 43,132,632.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,717,101.23 : 79,649,676.51 = 31,255,500.72 : x
  2. Step 2: Convert to fraction form
    57,717,101.23/79,649,676.51 = 31,255,500.72/x
  3. Step 3: Cross multiply
    57,717,101.23x = 79,649,676.51 × 31,255,500.72
  4. Step 4: Simplify right side
    57,717,101.23x = 2,489,490,521,506,072
  5. Step 5: Solve for x
    x = 2,489,490,521,506,072/57,717,101.23
  6. Step 6: Final answer
    x = 43,132,632.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.