Home / 50,975,998.20-76,463,997.30-45,402,161.40

Finding the Fourth Proportional to 50,975,998.20, 76,463,997.30 and 45,402,161.40

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Solution

The fourth proportional to 50,975,998.20, 76,463,997.30 and 45,402,161.40 is: 68,103,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,975,998.20 : 76,463,997.30 = 45,402,161.40 : x
  2. Step 2: Convert to fraction form
    50,975,998.20/76,463,997.30 = 45,402,161.40/x
  3. Step 3: Cross multiply
    50,975,998.20x = 76,463,997.30 × 45,402,161.40
  4. Step 4: Simplify right side
    50,975,998.20x = 3,471,630,746,703,764
  5. Step 5: Solve for x
    x = 3,471,630,746,703,764/50,975,998.20
  6. Step 6: Final answer
    x = 68,103,242.10

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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.