Home / 86,958,467.78-119,952,568.41-54,306,732.74

Finding the Fourth Proportional to 86,958,467.78, 119,952,568.41 and 54,306,732.74

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Solution

The fourth proportional to 86,958,467.78, 119,952,568.41 and 54,306,732.74 is: 74,911,992.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,958,467.78 : 119,952,568.41 = 54,306,732.74 : x
  2. Step 2: Convert to fraction form
    86,958,467.78/119,952,568.41 = 54,306,732.74/x
  3. Step 3: Cross multiply
    86,958,467.78x = 119,952,568.41 × 54,306,732.74
  4. Step 4: Simplify right side
    86,958,467.78x = 6,514,232,073,518,674
  5. Step 5: Solve for x
    x = 6,514,232,073,518,674/86,958,467.78
  6. Step 6: Final answer
    x = 74,911,992.36

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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.