Home / 104,976,107.80-157,464,161.70-66,806,834.20

Finding the Fourth Proportional to 104,976,107.80, 157,464,161.70 and 66,806,834.20

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Solution

The fourth proportional to 104,976,107.80, 157,464,161.70 and 66,806,834.20 is: 100,210,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,107.80 : 157,464,161.70 = 66,806,834.20 : x
  2. Step 2: Convert to fraction form
    104,976,107.80/157,464,161.70 = 66,806,834.20/x
  3. Step 3: Cross multiply
    104,976,107.80x = 157,464,161.70 × 66,806,834.20
  4. Step 4: Simplify right side
    104,976,107.80x = 10,519,682,143,133,890
  5. Step 5: Solve for x
    x = 10,519,682,143,133,890/104,976,107.80
  6. Step 6: Final answer
    x = 100,210,251.30

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1.5x scale

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.