Home / 156,782,713.20-235,158,862.82-47,608,828.68

Finding the Fourth Proportional to 156,782,713.20, 235,158,862.82 and 47,608,828.68

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Solution

The fourth proportional to 156,782,713.20, 235,158,862.82 and 47,608,828.68 is: 71,408,625.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,782,713.20 : 235,158,862.82 = 47,608,828.68 : x
  2. Step 2: Convert to fraction form
    156,782,713.20/235,158,862.82 = 47,608,828.68/x
  3. Step 3: Cross multiply
    156,782,713.20x = 235,158,862.82 × 47,608,828.68
  4. Step 4: Simplify right side
    156,782,713.20x = 11,195,638,012,581,002
  5. Step 5: Solve for x
    x = 11,195,638,012,581,002/156,782,713.20
  6. Step 6: Final answer
    x = 71,408,625.25

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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.