Home / 90,169,871.49-135,170,662.14-35,582,909.04

Finding the Fourth Proportional to 90,169,871.49, 135,170,662.14 and 35,582,909.04

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Solution

The fourth proportional to 90,169,871.49, 135,170,662.14 and 35,582,909.04 is: 53,341,158.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,169,871.49 : 135,170,662.14 = 35,582,909.04 : x
  2. Step 2: Convert to fraction form
    90,169,871.49/135,170,662.14 = 35,582,909.04/x
  3. Step 3: Cross multiply
    90,169,871.49x = 135,170,662.14 × 35,582,909.04
  4. Step 4: Simplify right side
    90,169,871.49x = 4,809,765,375,804,191
  5. Step 5: Solve for x
    x = 4,809,765,375,804,191/90,169,871.49
  6. Step 6: Final answer
    x = 53,341,158.15

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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.