Home / 243,901,036.80-336,118,275.60-239,418,036.72

Finding the Fourth Proportional to 243,901,036.80, 336,118,275.60 and 239,418,036.72

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Solution

The fourth proportional to 243,901,036.80, 336,118,275.60 and 239,418,036.72 is: 329,940,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,901,036.80 : 336,118,275.60 = 239,418,036.72 : x
  2. Step 2: Convert to fraction form
    243,901,036.80/336,118,275.60 = 239,418,036.72/x
  3. Step 3: Cross multiply
    243,901,036.80x = 336,118,275.60 × 239,418,036.72
  4. Step 4: Simplify right side
    243,901,036.80x = 80,472,777,649,863,888
  5. Step 5: Solve for x
    x = 80,472,777,649,863,888/243,901,036.80
  6. Step 6: Final answer
    x = 329,940,285.23

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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.