Home / 87,811,256.72-121,177,930.30-48,652,890.50

Finding the Fourth Proportional to 87,811,256.72, 121,177,930.30 and 48,652,890.50

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Solution

The fourth proportional to 87,811,256.72, 121,177,930.30 and 48,652,890.50 is: 67,140,100.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,811,256.72 : 121,177,930.30 = 48,652,890.50 : x
  2. Step 2: Convert to fraction form
    87,811,256.72/121,177,930.30 = 48,652,890.50/x
  3. Step 3: Cross multiply
    87,811,256.72x = 121,177,930.30 × 48,652,890.50
  4. Step 4: Simplify right side
    87,811,256.72x = 5,895,656,574,083,844
  5. Step 5: Solve for x
    x = 5,895,656,574,083,844/87,811,256.72
  6. Step 6: Final answer
    x = 67,140,100.19

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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.