Home / 145,163,896.40-217,493,902.20-94,019,589.20

Finding the Fourth Proportional to 145,163,896.40, 217,493,902.20 and 94,019,589.20

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Solution

The fourth proportional to 145,163,896.40, 217,493,902.20 and 94,019,589.20 is: 140,866,206.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,163,896.40 : 217,493,902.20 = 94,019,589.20 : x
  2. Step 2: Convert to fraction form
    145,163,896.40/217,493,902.20 = 94,019,589.20/x
  3. Step 3: Cross multiply
    145,163,896.40x = 217,493,902.20 × 94,019,589.20
  4. Step 4: Simplify right side
    145,163,896.40x = 20,448,687,338,348,976
  5. Step 5: Solve for x
    x = 20,448,687,338,348,976/145,163,896.40
  6. Step 6: Final answer
    x = 140,866,206.03

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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.