Home / 52,402,199.72-72,315,331.85-30,388,769.43

Finding the Fourth Proportional to 52,402,199.72, 72,315,331.85 and 30,388,769.43

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Solution

The fourth proportional to 52,402,199.72, 72,315,331.85 and 30,388,769.43 is: 41,936,673.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,402,199.72 : 72,315,331.85 = 30,388,769.43 : x
  2. Step 2: Convert to fraction form
    52,402,199.72/72,315,331.85 = 30,388,769.43/x
  3. Step 3: Cross multiply
    52,402,199.72x = 72,315,331.85 × 30,388,769.43
  4. Step 4: Simplify right side
    52,402,199.72x = 2,197,573,945,843,585.25
  5. Step 5: Solve for x
    x = 2,197,573,945,843,585.25/52,402,199.72
  6. Step 6: Final answer
    x = 41,936,673.61

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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.