Home / 79,791,971.40-119,741,101.20-36,638,962.20

Finding the Fourth Proportional to 79,791,971.40, 119,741,101.20 and 36,638,962.20

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Solution

The fourth proportional to 79,791,971.40, 119,741,101.20 and 36,638,962.20 is: 54,982,846.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,791,971.40 : 119,741,101.20 = 36,638,962.20 : x
  2. Step 2: Convert to fraction form
    79,791,971.40/119,741,101.20 = 36,638,962.20/x
  3. Step 3: Cross multiply
    79,791,971.40x = 119,741,101.20 × 36,638,962.20
  4. Step 4: Simplify right side
    79,791,971.40x = 4,387,189,680,653,175
  5. Step 5: Solve for x
    x = 4,387,189,680,653,175/79,791,971.40
  6. Step 6: Final answer
    x = 54,982,846.06

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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.