Home / 81,649,731,608.20-122,474,597,412.30-25,757,869,061.80

Finding the Fourth Proportional to 81,649,731,608.20, 122,474,597,412.30 and 25,757,869,061.80

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Solution

The fourth proportional to 81,649,731,608.20, 122,474,597,412.30 and 25,757,869,061.80 is: 38,636,803,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,649,731,608.20 : 122,474,597,412.30 = 25,757,869,061.80 : x
  2. Step 2: Convert to fraction form
    81,649,731,608.20/122,474,597,412.30 = 25,757,869,061.80/x
  3. Step 3: Cross multiply
    81,649,731,608.20x = 122,474,597,412.30 × 25,757,869,061.80
  4. Step 4: Simplify right side
    81,649,731,608.20x = 3,154,684,643,542,692,265,984
  5. Step 5: Solve for x
    x = 3,154,684,643,542,692,265,984/81,649,731,608.20
  6. Step 6: Final answer
    x = 38,636,803,592.70

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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.