Home / 103,839,609.26-143,342,783.73-64,700,723.43

Finding the Fourth Proportional to 103,839,609.26, 143,342,783.73 and 64,700,723.43

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Solution

The fourth proportional to 103,839,609.26, 143,342,783.73 and 64,700,723.43 is: 89,314,490.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,839,609.26 : 143,342,783.73 = 64,700,723.43 : x
  2. Step 2: Convert to fraction form
    103,839,609.26/143,342,783.73 = 64,700,723.43/x
  3. Step 3: Cross multiply
    103,839,609.26x = 143,342,783.73 × 64,700,723.43
  4. Step 4: Simplify right side
    103,839,609.26x = 9,274,381,805,801,034
  5. Step 5: Solve for x
    x = 9,274,381,805,801,034/103,839,609.26
  6. Step 6: Final answer
    x = 89,314,490.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.