Home / 135,321,531.72-186,743,841.90-73,441,886.28

Finding the Fourth Proportional to 135,321,531.72, 186,743,841.90 and 73,441,886.28

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Solution

The fourth proportional to 135,321,531.72, 186,743,841.90 and 73,441,886.28 is: 101,349,872.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,321,531.72 : 186,743,841.90 = 73,441,886.28 : x
  2. Step 2: Convert to fraction form
    135,321,531.72/186,743,841.90 = 73,441,886.28/x
  3. Step 3: Cross multiply
    135,321,531.72x = 186,743,841.90 × 73,441,886.28
  4. Step 4: Simplify right side
    135,321,531.72x = 13,714,820,000,310,100
  5. Step 5: Solve for x
    x = 13,714,820,000,310,100/135,321,531.72
  6. Step 6: Final answer
    x = 101,349,872.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.