Home / 66,215,104.70-99,322,657.05-18,346,048.70

Finding the Fourth Proportional to 66,215,104.70, 99,322,657.05 and 18,346,048.70

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Solution

The fourth proportional to 66,215,104.70, 99,322,657.05 and 18,346,048.70 is: 27,519,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,215,104.70 : 99,322,657.05 = 18,346,048.70 : x
  2. Step 2: Convert to fraction form
    66,215,104.70/99,322,657.05 = 18,346,048.70/x
  3. Step 3: Cross multiply
    66,215,104.70x = 99,322,657.05 × 18,346,048.70
  4. Step 4: Simplify right side
    66,215,104.70x = 1,822,178,303,252,698.25
  5. Step 5: Solve for x
    x = 1,822,178,303,252,698.25/66,215,104.70
  6. Step 6: Final answer
    x = 27,519,073.05

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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.