Home / 45,554,887.20-68,338,324.80-16,821,206.40

Finding the Fourth Proportional to 45,554,887.20, 68,338,324.80 and 16,821,206.40

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Solution

The fourth proportional to 45,554,887.20, 68,338,324.80 and 16,821,206.40 is: 25,234,022.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,554,887.20 : 68,338,324.80 = 16,821,206.40 : x
  2. Step 2: Convert to fraction form
    45,554,887.20/68,338,324.80 = 16,821,206.40/x
  3. Step 3: Cross multiply
    45,554,887.20x = 68,338,324.80 × 16,821,206.40
  4. Step 4: Simplify right side
    45,554,887.20x = 1,149,533,066,491,038.50
  5. Step 5: Solve for x
    x = 1,149,533,066,491,038.50/45,554,887.20
  6. Step 6: Final answer
    x = 25,234,022.89

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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.