Home / 57,020,151.95-78,689,469.31-32,239,806.50

Finding the Fourth Proportional to 57,020,151.95, 78,689,469.31 and 32,239,806.50

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Solution

The fourth proportional to 57,020,151.95, 78,689,469.31 and 32,239,806.50 is: 44,491,871.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,020,151.95 : 78,689,469.31 = 32,239,806.50 : x
  2. Step 2: Convert to fraction form
    57,020,151.95/78,689,469.31 = 32,239,806.50/x
  3. Step 3: Cross multiply
    57,020,151.95x = 78,689,469.31 × 32,239,806.50
  4. Step 4: Simplify right side
    57,020,151.95x = 2,536,933,263,668,042
  5. Step 5: Solve for x
    x = 2,536,933,263,668,042/57,020,151.95
  6. Step 6: Final answer
    x = 44,491,871.33

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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.