Home / 145,463,850.17-200,744,365.04-79,388,589.11

Finding the Fourth Proportional to 145,463,850.17, 200,744,365.04 and 79,388,589.11

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Solution

The fourth proportional to 145,463,850.17, 200,744,365.04 and 79,388,589.11 is: 109,558,573.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,463,850.17 : 200,744,365.04 = 79,388,589.11 : x
  2. Step 2: Convert to fraction form
    145,463,850.17/200,744,365.04 = 79,388,589.11/x
  3. Step 3: Cross multiply
    145,463,850.17x = 200,744,365.04 × 79,388,589.11
  4. Step 4: Simplify right side
    145,463,850.17x = 15,936,811,911,652,410
  5. Step 5: Solve for x
    x = 15,936,811,911,652,410/145,463,850.17
  6. Step 6: Final answer
    x = 109,558,573.44

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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.