Home / 57,031,406.20-85,484,123.70-31,490,745.40

Finding the Fourth Proportional to 57,031,406.20, 85,484,123.70 and 31,490,745.40

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Solution

The fourth proportional to 57,031,406.20, 85,484,123.70 and 31,490,745.40 is: 47,201,339.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,031,406.20 : 85,484,123.70 = 31,490,745.40 : x
  2. Step 2: Convert to fraction form
    57,031,406.20/85,484,123.70 = 31,490,745.40/x
  3. Step 3: Cross multiply
    57,031,406.20x = 85,484,123.70 × 31,490,745.40
  4. Step 4: Simplify right side
    57,031,406.20x = 2,691,958,775,178,806
  5. Step 5: Solve for x
    x = 2,691,958,775,178,806/57,031,406.20
  6. Step 6: Final answer
    x = 47,201,339.66

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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.