Home / 88,137,700.80-132,206,551.20-78,311,947.20

Finding the Fourth Proportional to 88,137,700.80, 132,206,551.20 and 78,311,947.20

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Solution

The fourth proportional to 88,137,700.80, 132,206,551.20 and 78,311,947.20 is: 117,467,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,137,700.80 : 132,206,551.20 = 78,311,947.20 : x
  2. Step 2: Convert to fraction form
    88,137,700.80/132,206,551.20 = 78,311,947.20/x
  3. Step 3: Cross multiply
    88,137,700.80x = 132,206,551.20 × 78,311,947.20
  4. Step 4: Simplify right side
    88,137,700.80x = 10,353,352,457,068,498
  5. Step 5: Solve for x
    x = 10,353,352,457,068,498/88,137,700.80
  6. Step 6: Final answer
    x = 117,467,920.80

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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.