Home / 80,947,366.40-121,379,059.20-29,803,059.20

Finding the Fourth Proportional to 80,947,366.40, 121,379,059.20 and 29,803,059.20

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Solution

The fourth proportional to 80,947,366.40, 121,379,059.20 and 29,803,059.20 is: 44,689,128.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,947,366.40 : 121,379,059.20 = 29,803,059.20 : x
  2. Step 2: Convert to fraction form
    80,947,366.40/121,379,059.20 = 29,803,059.20/x
  3. Step 3: Cross multiply
    80,947,366.40x = 121,379,059.20 × 29,803,059.20
  4. Step 4: Simplify right side
    80,947,366.40x = 3,617,467,286,977,904.50
  5. Step 5: Solve for x
    x = 3,617,467,286,977,904.50/80,947,366.40
  6. Step 6: Final answer
    x = 44,689,128.85

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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.