Home / 339,153,864.86-468,133,828.72-198,063,143.78

Finding the Fourth Proportional to 339,153,864.86, 468,133,828.72 and 198,063,143.78

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Solution

The fourth proportional to 339,153,864.86, 468,133,828.72 and 198,063,143.78 is: 273,386,410.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,153,864.86 : 468,133,828.72 = 198,063,143.78 : x
  2. Step 2: Convert to fraction form
    339,153,864.86/468,133,828.72 = 198,063,143.78/x
  3. Step 3: Cross multiply
    339,153,864.86x = 468,133,828.72 × 198,063,143.78
  4. Step 4: Simplify right side
    339,153,864.86x = 92,720,057,826,051,264
  5. Step 5: Solve for x
    x = 92,720,057,826,051,264/339,153,864.86
  6. Step 6: Final answer
    x = 273,386,410.81

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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.