Home / 126,846,000.30-190,269,000.45-72,426,441.90

Finding the Fourth Proportional to 126,846,000.30, 190,269,000.45 and 72,426,441.90

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Solution

The fourth proportional to 126,846,000.30, 190,269,000.45 and 72,426,441.90 is: 108,639,662.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,846,000.30 : 190,269,000.45 = 72,426,441.90 : x
  2. Step 2: Convert to fraction form
    126,846,000.30/190,269,000.45 = 72,426,441.90/x
  3. Step 3: Cross multiply
    126,846,000.30x = 190,269,000.45 × 72,426,441.90
  4. Step 4: Simplify right side
    126,846,000.30x = 13,780,506,706,463,000
  5. Step 5: Solve for x
    x = 13,780,506,706,463,000/126,846,000.30
  6. Step 6: Final answer
    x = 108,639,662.85

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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.