Home / 56,811,701.80-85,217,552.70-39,427,676.20

Finding the Fourth Proportional to 56,811,701.80, 85,217,552.70 and 39,427,676.20

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Solution

The fourth proportional to 56,811,701.80, 85,217,552.70 and 39,427,676.20 is: 59,141,514.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,811,701.80 : 85,217,552.70 = 39,427,676.20 : x
  2. Step 2: Convert to fraction form
    56,811,701.80/85,217,552.70 = 39,427,676.20/x
  3. Step 3: Cross multiply
    56,811,701.80x = 85,217,552.70 × 39,427,676.20
  4. Step 4: Simplify right side
    56,811,701.80x = 3,359,930,074,412,036
  5. Step 5: Solve for x
    x = 3,359,930,074,412,036/56,811,701.80
  6. Step 6: Final answer
    x = 59,141,514.30

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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.