Home / 66,572,232.60-99,795,363.30-39,299,467.80

Finding the Fourth Proportional to 66,572,232.60, 99,795,363.30 and 39,299,467.80

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Solution

The fourth proportional to 66,572,232.60, 99,795,363.30 and 39,299,467.80 is: 58,912,019.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,572,232.60 : 99,795,363.30 = 39,299,467.80 : x
  2. Step 2: Convert to fraction form
    66,572,232.60/99,795,363.30 = 39,299,467.80/x
  3. Step 3: Cross multiply
    66,572,232.60x = 99,795,363.30 × 39,299,467.80
  4. Step 4: Simplify right side
    66,572,232.60x = 3,921,904,666,597,651.50
  5. Step 5: Solve for x
    x = 3,921,904,666,597,651.50/66,572,232.60
  6. Step 6: Final answer
    x = 58,912,019.52

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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.