Home / 66,467,631.70-99,617,581.10-33,686,437.20

Finding the Fourth Proportional to 66,467,631.70, 99,617,581.10 and 33,686,437.20

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Solution

The fourth proportional to 66,467,631.70, 99,617,581.10 and 33,686,437.20 is: 50,487,151.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,467,631.70 : 99,617,581.10 = 33,686,437.20 : x
  2. Step 2: Convert to fraction form
    66,467,631.70/99,617,581.10 = 33,686,437.20/x
  3. Step 3: Cross multiply
    66,467,631.70x = 99,617,581.10 × 33,686,437.20
  4. Step 4: Simplify right side
    66,467,631.70x = 3,355,761,389,741,057
  5. Step 5: Solve for x
    x = 3,355,761,389,741,057/66,467,631.70
  6. Step 6: Final answer
    x = 50,487,151.47

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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.