Home / 57,020,155.90-78,689,474.77-32,239,810.43

Finding the Fourth Proportional to 57,020,155.90, 78,689,474.77 and 32,239,810.43

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Solution

The fourth proportional to 57,020,155.90, 78,689,474.77 and 32,239,810.43 is: 44,491,876.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,020,155.90 : 78,689,474.77 = 32,239,810.43 : x
  2. Step 2: Convert to fraction form
    57,020,155.90/78,689,474.77 = 32,239,810.43/x
  3. Step 3: Cross multiply
    57,020,155.90x = 78,689,474.77 × 32,239,810.43
  4. Step 4: Simplify right side
    57,020,155.90x = 2,536,933,749,267,695.50
  5. Step 5: Solve for x
    x = 2,536,933,749,267,695.50/57,020,155.90
  6. Step 6: Final answer
    x = 44,491,876.77

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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.