Home / 30,266,163.20-45,399,244.80-18,149,308.40

Finding the Fourth Proportional to 30,266,163.20, 45,399,244.80 and 18,149,308.40

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Solution

The fourth proportional to 30,266,163.20, 45,399,244.80 and 18,149,308.40 is: 27,223,962.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266,163.20 : 45,399,244.80 = 18,149,308.40 : x
  2. Step 2: Convert to fraction form
    30,266,163.20/45,399,244.80 = 18,149,308.40/x
  3. Step 3: Cross multiply
    30,266,163.20x = 45,399,244.80 × 18,149,308.40
  4. Step 4: Simplify right side
    30,266,163.20x = 823,964,895,002,296.25
  5. Step 5: Solve for x
    x = 823,964,895,002,296.25/30,266,163.20
  6. Step 6: Final answer
    x = 27,223,962.60

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1.5x scale

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.