Home / 78,405,554.48-108,195,221.07-43,597,497.58

Finding the Fourth Proportional to 78,405,554.48, 108,195,221.07 and 43,597,497.58

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Solution

The fourth proportional to 78,405,554.48, 108,195,221.07 and 43,597,497.58 is: 60,162,075.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,405,554.48 : 108,195,221.07 = 43,597,497.58 : x
  2. Step 2: Convert to fraction form
    78,405,554.48/108,195,221.07 = 43,597,497.58/x
  3. Step 3: Cross multiply
    78,405,554.48x = 108,195,221.07 × 43,597,497.58
  4. Step 4: Simplify right side
    78,405,554.48x = 4,717,040,888,496,402
  5. Step 5: Solve for x
    x = 4,717,040,888,496,402/78,405,554.48
  6. Step 6: Final answer
    x = 60,162,075.51

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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.