Home / 78,877,063.62-118,318,005.75-27,060,939.42

Finding the Fourth Proportional to 78,877,063.62, 118,318,005.75 and 27,060,939.42

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Solution

The fourth proportional to 78,877,063.62, 118,318,005.75 and 27,060,939.42 is: 40,592,236.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,877,063.62 : 118,318,005.75 = 27,060,939.42 : x
  2. Step 2: Convert to fraction form
    78,877,063.62/118,318,005.75 = 27,060,939.42/x
  3. Step 3: Cross multiply
    78,877,063.62x = 118,318,005.75 × 27,060,939.42
  4. Step 4: Simplify right side
    78,877,063.62x = 3,201,796,385,895,962
  5. Step 5: Solve for x
    x = 3,201,796,385,895,962/78,877,063.62
  6. Step 6: Final answer
    x = 40,592,236.06

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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.