Home / 104,976,809.80-157,465,214.70-66,807,536.20

Finding the Fourth Proportional to 104,976,809.80, 157,465,214.70 and 66,807,536.20

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Solution

The fourth proportional to 104,976,809.80, 157,465,214.70 and 66,807,536.20 is: 100,211,304.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,809.80 : 157,465,214.70 = 66,807,536.20 : x
  2. Step 2: Convert to fraction form
    104,976,809.80/157,465,214.70 = 66,807,536.20/x
  3. Step 3: Cross multiply
    104,976,809.80x = 157,465,214.70 × 66,807,536.20
  4. Step 4: Simplify right side
    104,976,809.80x = 10,519,863,031,311,022
  5. Step 5: Solve for x
    x = 10,519,863,031,311,022/104,976,809.80
  6. Step 6: Final answer
    x = 100,211,304.30

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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.