Home / 45,376,005.20-68,064,007.80-43,612,408.40

Finding the Fourth Proportional to 45,376,005.20, 68,064,007.80 and 43,612,408.40

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Solution

The fourth proportional to 45,376,005.20, 68,064,007.80 and 43,612,408.40 is: 65,418,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,376,005.20 : 68,064,007.80 = 43,612,408.40 : x
  2. Step 2: Convert to fraction form
    45,376,005.20/68,064,007.80 = 43,612,408.40/x
  3. Step 3: Cross multiply
    45,376,005.20x = 68,064,007.80 × 43,612,408.40
  4. Step 4: Simplify right side
    45,376,005.20x = 2,968,435,305,514,385.50
  5. Step 5: Solve for x
    x = 2,968,435,305,514,385.50/45,376,005.20
  6. Step 6: Final answer
    x = 65,418,612.60

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Similar ratio
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1.5x scale

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.