Home / 86,619,720.12-129,945,967.02-34,808,356.08

Finding the Fourth Proportional to 86,619,720.12, 129,945,967.02 and 34,808,356.08

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Solution

The fourth proportional to 86,619,720.12, 129,945,967.02 and 34,808,356.08 is: 52,219,119.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,619,720.12 : 129,945,967.02 = 34,808,356.08 : x
  2. Step 2: Convert to fraction form
    86,619,720.12/129,945,967.02 = 34,808,356.08/x
  3. Step 3: Cross multiply
    86,619,720.12x = 129,945,967.02 × 34,808,356.08
  4. Step 4: Simplify right side
    86,619,720.12x = 4,523,205,491,192,096
  5. Step 5: Solve for x
    x = 4,523,205,491,192,096/86,619,720.12
  6. Step 6: Final answer
    x = 52,219,119.21

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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.