Home / 49,147,221.40-73,720,832.10-13,245,429.40

Finding the Fourth Proportional to 49,147,221.40, 73,720,832.10 and 13,245,429.40

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Solution

The fourth proportional to 49,147,221.40, 73,720,832.10 and 13,245,429.40 is: 19,868,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,147,221.40 : 73,720,832.10 = 13,245,429.40 : x
  2. Step 2: Convert to fraction form
    49,147,221.40/73,720,832.10 = 13,245,429.40/x
  3. Step 3: Cross multiply
    49,147,221.40x = 73,720,832.10 × 13,245,429.40
  4. Step 4: Simplify right side
    49,147,221.40x = 976,464,076,889,803.75
  5. Step 5: Solve for x
    x = 976,464,076,889,803.75/49,147,221.40
  6. Step 6: Final answer
    x = 19,868,144.10

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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.