Home / 340,713,081.60-511,279,574.40-136,219,833.60

Finding the Fourth Proportional to 340,713,081.60, 511,279,574.40 and 136,219,833.60

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Solution

The fourth proportional to 340,713,081.60, 511,279,574.40 and 136,219,833.60 is: 204,413,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,713,081.60 : 511,279,574.40 = 136,219,833.60 : x
  2. Step 2: Convert to fraction form
    340,713,081.60/511,279,574.40 = 136,219,833.60/x
  3. Step 3: Cross multiply
    340,713,081.60x = 511,279,574.40 × 136,219,833.60
  4. Step 4: Simplify right side
    340,713,081.60x = 69,646,418,547,846,816
  5. Step 5: Solve for x
    x = 69,646,418,547,846,816/340,713,081.60
  6. Step 6: Final answer
    x = 204,413,690.90

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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.