Home / 70,331,661.72-105,594,126.12-35,811,255.42

Finding the Fourth Proportional to 70,331,661.72, 105,594,126.12 and 35,811,255.42

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Solution

The fourth proportional to 70,331,661.72, 105,594,126.12 and 35,811,255.42 is: 53,766,086.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,331,661.72 : 105,594,126.12 = 35,811,255.42 : x
  2. Step 2: Convert to fraction form
    70,331,661.72/105,594,126.12 = 35,811,255.42/x
  3. Step 3: Cross multiply
    70,331,661.72x = 105,594,126.12 × 35,811,255.42
  4. Step 4: Simplify right side
    70,331,661.72x = 3,781,458,221,335,014
  5. Step 5: Solve for x
    x = 3,781,458,221,335,014/70,331,661.72
  6. Step 6: Final answer
    x = 53,766,086.69

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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.