Home / 112,219,487.80-168,329,231.70-39,447,500.20

Finding the Fourth Proportional to 112,219,487.80, 168,329,231.70 and 39,447,500.20

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Solution

The fourth proportional to 112,219,487.80, 168,329,231.70 and 39,447,500.20 is: 59,171,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,219,487.80 : 168,329,231.70 = 39,447,500.20 : x
  2. Step 2: Convert to fraction form
    112,219,487.80/168,329,231.70 = 39,447,500.20/x
  3. Step 3: Cross multiply
    112,219,487.80x = 168,329,231.70 × 39,447,500.20
  4. Step 4: Simplify right side
    112,219,487.80x = 6,640,167,401,151,596
  5. Step 5: Solve for x
    x = 6,640,167,401,151,596/112,219,487.80
  6. Step 6: Final answer
    x = 59,171,250.30

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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.