Home / 209,960,131.20-314,389,072.80-148,215,872.40

Finding the Fourth Proportional to 209,960,131.20, 314,389,072.80 and 148,215,872.40

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Solution

The fourth proportional to 209,960,131.20, 314,389,072.80 and 148,215,872.40 is: 221,934,757.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,960,131.20 : 314,389,072.80 = 148,215,872.40 : x
  2. Step 2: Convert to fraction form
    209,960,131.20/314,389,072.80 = 148,215,872.40/x
  3. Step 3: Cross multiply
    209,960,131.20x = 314,389,072.80 × 148,215,872.40
  4. Step 4: Simplify right side
    209,960,131.20x = 46,597,450,698,079,112
  5. Step 5: Solve for x
    x = 46,597,450,698,079,112/209,960,131.20
  6. Step 6: Final answer
    x = 221,934,757.00

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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.