Home / 69,984,079.65-104,976,119.48-67,433,162.85

Finding the Fourth Proportional to 69,984,079.65, 104,976,119.48 and 67,433,162.85

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Solution

The fourth proportional to 69,984,079.65, 104,976,119.48 and 67,433,162.85 is: 101,149,744.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984,079.65 : 104,976,119.48 = 67,433,162.85 : x
  2. Step 2: Convert to fraction form
    69,984,079.65/104,976,119.48 = 67,433,162.85/x
  3. Step 3: Cross multiply
    69,984,079.65x = 104,976,119.48 × 67,433,162.85
  4. Step 4: Simplify right side
    69,984,079.65x = 7,078,871,759,918,730
  5. Step 5: Solve for x
    x = 7,078,871,759,918,730/69,984,079.65
  6. Step 6: Final answer
    x = 101,149,744.28

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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.