Home / 145,463,841.26-200,744,352.79-79,388,580.25

Finding the Fourth Proportional to 145,463,841.26, 200,744,352.79 and 79,388,580.25

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Solution

The fourth proportional to 145,463,841.26, 200,744,352.79 and 79,388,580.25 is: 109,558,561.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,463,841.26 : 200,744,352.79 = 79,388,580.25 : x
  2. Step 2: Convert to fraction form
    145,463,841.26/200,744,352.79 = 79,388,580.25/x
  3. Step 3: Cross multiply
    145,463,841.26x = 200,744,352.79 × 79,388,580.25
  4. Step 4: Simplify right side
    145,463,841.26x = 15,936,809,160,572,864
  5. Step 5: Solve for x
    x = 15,936,809,160,572,864/145,463,841.26
  6. Step 6: Final answer
    x = 109,558,561.24

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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.