Home / 126,997,260.20-190,495,890.30-40,744,385.90

Finding the Fourth Proportional to 126,997,260.20, 190,495,890.30 and 40,744,385.90

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Solution

The fourth proportional to 126,997,260.20, 190,495,890.30 and 40,744,385.90 is: 61,116,578.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,997,260.20 : 190,495,890.30 = 40,744,385.90 : x
  2. Step 2: Convert to fraction form
    126,997,260.20/190,495,890.30 = 40,744,385.90/x
  3. Step 3: Cross multiply
    126,997,260.20x = 190,495,890.30 × 40,744,385.90
  4. Step 4: Simplify right side
    126,997,260.20x = 7,761,638,066,747,267
  5. Step 5: Solve for x
    x = 7,761,638,066,747,267/126,997,260.20
  6. Step 6: Final answer
    x = 61,116,578.85

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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.