Home / 57,740,514.92-79,681,908.84-31,636,021.76

Finding the Fourth Proportional to 57,740,514.92, 79,681,908.84 and 31,636,021.76

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Solution

The fourth proportional to 57,740,514.92, 79,681,908.84 and 31,636,021.76 is: 43,657,709.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,740,514.92 : 79,681,908.84 = 31,636,021.76 : x
  2. Step 2: Convert to fraction form
    57,740,514.92/79,681,908.84 = 31,636,021.76/x
  3. Step 3: Cross multiply
    57,740,514.92x = 79,681,908.84 × 31,636,021.76
  4. Step 4: Simplify right side
    57,740,514.92x = 2,520,818,601,940,576.50
  5. Step 5: Solve for x
    x = 2,520,818,601,940,576.50/57,740,514.92
  6. Step 6: Final answer
    x = 43,657,709.07

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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.