Home / 269,700,471-372,187,636.86-145,941,149.40

Finding the Fourth Proportional to 269,700,471, 372,187,636.86 and 145,941,149.40

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Solution

The fourth proportional to 269,700,471, 372,187,636.86 and 145,941,149.40 is: 201,399,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,700,471 : 372,187,636.86 = 145,941,149.40 : x
  2. Step 2: Convert to fraction form
    269,700,471/372,187,636.86 = 145,941,149.40/x
  3. Step 3: Cross multiply
    269,700,471x = 372,187,636.86 × 145,941,149.40
  4. Step 4: Simplify right side
    269,700,471x = 54,317,491,515,818,208
  5. Step 5: Solve for x
    x = 54,317,491,515,818,208/269,700,471
  6. Step 6: Final answer
    x = 201,399,320.20

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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.