Home / 145,463,849.33-200,744,363.88-79,388,588.26

Finding the Fourth Proportional to 145,463,849.33, 200,744,363.88 and 79,388,588.26

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Solution

The fourth proportional to 145,463,849.33, 200,744,363.88 and 79,388,588.26 is: 109,558,572.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,463,849.33 : 200,744,363.88 = 79,388,588.26 : x
  2. Step 2: Convert to fraction form
    145,463,849.33/200,744,363.88 = 79,388,588.26/x
  3. Step 3: Cross multiply
    145,463,849.33x = 200,744,363.88 × 79,388,588.26
  4. Step 4: Simplify right side
    145,463,849.33x = 15,936,811,649,835,866
  5. Step 5: Solve for x
    x = 15,936,811,649,835,866/145,463,849.33
  6. Step 6: Final answer
    x = 109,558,572.28

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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.