Home / 66,529,700.40-99,869,200.20-51,450,481.20

Finding the Fourth Proportional to 66,529,700.40, 99,869,200.20 and 51,450,481.20

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Solution

The fourth proportional to 66,529,700.40, 99,869,200.20 and 51,450,481.20 is: 77,233,451.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,529,700.40 : 99,869,200.20 = 51,450,481.20 : x
  2. Step 2: Convert to fraction form
    66,529,700.40/99,869,200.20 = 51,450,481.20/x
  3. Step 3: Cross multiply
    66,529,700.40x = 99,869,200.20 × 51,450,481.20
  4. Step 4: Simplify right side
    66,529,700.40x = 5,138,318,407,349,137
  5. Step 5: Solve for x
    x = 5,138,318,407,349,137/66,529,700.40
  6. Step 6: Final answer
    x = 77,233,451.77

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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.