Home / 99,650,810.20-149,476,215.30-83,495,003.80

Finding the Fourth Proportional to 99,650,810.20, 149,476,215.30 and 83,495,003.80

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Solution

The fourth proportional to 99,650,810.20, 149,476,215.30 and 83,495,003.80 is: 125,242,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,650,810.20 : 149,476,215.30 = 83,495,003.80 : x
  2. Step 2: Convert to fraction form
    99,650,810.20/149,476,215.30 = 83,495,003.80/x
  3. Step 3: Cross multiply
    99,650,810.20x = 149,476,215.30 × 83,495,003.80
  4. Step 4: Simplify right side
    99,650,810.20x = 12,480,517,164,483,118
  5. Step 5: Solve for x
    x = 12,480,517,164,483,118/99,650,810.20
  6. Step 6: Final answer
    x = 125,242,505.70

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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.