Home / 130,296,857.60-195,467,404.80-39,419,724.80

Finding the Fourth Proportional to 130,296,857.60, 195,467,404.80 and 39,419,724.80

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Solution

The fourth proportional to 130,296,857.60, 195,467,404.80 and 39,419,724.80 is: 59,136,278.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,296,857.60 : 195,467,404.80 = 39,419,724.80 : x
  2. Step 2: Convert to fraction form
    130,296,857.60/195,467,404.80 = 39,419,724.80/x
  3. Step 3: Cross multiply
    130,296,857.60x = 195,467,404.80 × 39,419,724.80
  4. Step 4: Simplify right side
    130,296,857.60x = 7,705,271,304,586,199
  5. Step 5: Solve for x
    x = 7,705,271,304,586,199/130,296,857.60
  6. Step 6: Final answer
    x = 59,136,278.85

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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.