Home / 55,180,280.88-76,140,977.40-31,337,082

Finding the Fourth Proportional to 55,180,280.88, 76,140,977.40 and 31,337,082

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Solution

The fourth proportional to 55,180,280.88, 76,140,977.40 and 31,337,082 is: 43,240,737.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,180,280.88 : 76,140,977.40 = 31,337,082 : x
  2. Step 2: Convert to fraction form
    55,180,280.88/76,140,977.40 = 31,337,082/x
  3. Step 3: Cross multiply
    55,180,280.88x = 76,140,977.40 × 31,337,082
  4. Step 4: Simplify right side
    55,180,280.88x = 2,386,036,052,343,947
  5. Step 5: Solve for x
    x = 2,386,036,052,343,947/55,180,280.88
  6. Step 6: Final answer
    x = 43,240,737.71

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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.