Home / 269,139,341.80-371,412,234.66-145,380,022.12

Finding the Fourth Proportional to 269,139,341.80, 371,412,234.66 and 145,380,022.12

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Solution

The fourth proportional to 269,139,341.80, 371,412,234.66 and 145,380,022.12 is: 200,624,399.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,139,341.80 : 371,412,234.66 = 145,380,022.12 : x
  2. Step 2: Convert to fraction form
    269,139,341.80/371,412,234.66 = 145,380,022.12/x
  3. Step 3: Cross multiply
    269,139,341.80x = 371,412,234.66 × 145,380,022.12
  4. Step 4: Simplify right side
    269,139,341.80x = 53,995,918,890,509,440
  5. Step 5: Solve for x
    x = 53,995,918,890,509,440/269,139,341.80
  6. Step 6: Final answer
    x = 200,624,399.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.