Home / 30,266,136.20-45,399,204.30-18,149,281.40

Finding the Fourth Proportional to 30,266,136.20, 45,399,204.30 and 18,149,281.40

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Solution

The fourth proportional to 30,266,136.20, 45,399,204.30 and 18,149,281.40 is: 27,223,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266,136.20 : 45,399,204.30 = 18,149,281.40 : x
  2. Step 2: Convert to fraction form
    30,266,136.20/45,399,204.30 = 18,149,281.40/x
  3. Step 3: Cross multiply
    30,266,136.20x = 45,399,204.30 × 18,149,281.40
  4. Step 4: Simplify right side
    30,266,136.20x = 823,962,934,176,789.88
  5. Step 5: Solve for x
    x = 823,962,934,176,789.88/30,266,136.20
  6. Step 6: Final answer
    x = 27,223,922.10

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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.