Home / 64,065,379.32-96,110,432.82-20,922,984.36

Finding the Fourth Proportional to 64,065,379.32, 96,110,432.82 and 20,922,984.36

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Solution

The fourth proportional to 64,065,379.32, 96,110,432.82 and 20,922,984.36 is: 31,388,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,065,379.32 : 96,110,432.82 = 20,922,984.36 : x
  2. Step 2: Convert to fraction form
    64,065,379.32/96,110,432.82 = 20,922,984.36/x
  3. Step 3: Cross multiply
    64,065,379.32x = 96,110,432.82 × 20,922,984.36
  4. Step 4: Simplify right side
    64,065,379.32x = 2,010,917,082,725,690.50
  5. Step 5: Solve for x
    x = 2,010,917,082,725,690.50/64,065,379.32
  6. Step 6: Final answer
    x = 31,388,514.42

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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.