Home / 112,295,220.20-168,442,830.30-68,646,199.40

Finding the Fourth Proportional to 112,295,220.20, 168,442,830.30 and 68,646,199.40

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Solution

The fourth proportional to 112,295,220.20, 168,442,830.30 and 68,646,199.40 is: 102,969,299.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,295,220.20 : 168,442,830.30 = 68,646,199.40 : x
  2. Step 2: Convert to fraction form
    112,295,220.20/168,442,830.30 = 68,646,199.40/x
  3. Step 3: Cross multiply
    112,295,220.20x = 168,442,830.30 × 68,646,199.40
  4. Step 4: Simplify right side
    112,295,220.20x = 11,562,960,116,274,164
  5. Step 5: Solve for x
    x = 11,562,960,116,274,164/112,295,220.20
  6. Step 6: Final answer
    x = 102,969,299.10

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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.