Home / 78,536,832.02-117,646,031.55-36,412,355.30

Finding the Fourth Proportional to 78,536,832.02, 117,646,031.55 and 36,412,355.30

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Solution

The fourth proportional to 78,536,832.02, 117,646,031.55 and 36,412,355.30 is: 54,544,714.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,536,832.02 : 117,646,031.55 = 36,412,355.30 : x
  2. Step 2: Convert to fraction form
    78,536,832.02/117,646,031.55 = 36,412,355.30/x
  3. Step 3: Cross multiply
    78,536,832.02x = 117,646,031.55 × 36,412,355.30
  4. Step 4: Simplify right side
    78,536,832.02x = 4,283,769,100,433,609.50
  5. Step 5: Solve for x
    x = 4,283,769,100,433,609.50/78,536,832.02
  6. Step 6: Final answer
    x = 54,544,714.76

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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.