Home / 40,812,381.43-56,325,064.58-30,481,168.39

Finding the Fourth Proportional to 40,812,381.43, 56,325,064.58 and 30,481,168.39

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Solution

The fourth proportional to 40,812,381.43, 56,325,064.58 and 30,481,168.39 is: 42,066,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,812,381.43 : 56,325,064.58 = 30,481,168.39 : x
  2. Step 2: Convert to fraction form
    40,812,381.43/56,325,064.58 = 30,481,168.39/x
  3. Step 3: Cross multiply
    40,812,381.43x = 56,325,064.58 × 30,481,168.39
  4. Step 4: Simplify right side
    40,812,381.43x = 1,716,853,777,888,199
  5. Step 5: Solve for x
    x = 1,716,853,777,888,199/40,812,381.43
  6. Step 6: Final answer
    x = 42,066,983.54

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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.