Home / 219,895,389.13-303,316,191.16-135,085,395.37

Finding the Fourth Proportional to 219,895,389.13, 303,316,191.16 and 135,085,395.37

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Solution

The fourth proportional to 219,895,389.13, 303,316,191.16 and 135,085,395.37 is: 186,332,181.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,895,389.13 : 303,316,191.16 = 135,085,395.37 : x
  2. Step 2: Convert to fraction form
    219,895,389.13/303,316,191.16 = 135,085,395.37/x
  3. Step 3: Cross multiply
    219,895,389.13x = 303,316,191.16 × 135,085,395.37
  4. Step 4: Simplify right side
    219,895,389.13x = 40,973,587,604,971,104
  5. Step 5: Solve for x
    x = 40,973,587,604,971,104/219,895,389.13
  6. Step 6: Final answer
    x = 186,332,181.71

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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.