Home / 186,214,667.82-256,976,243.13-103,708,452.57

Finding the Fourth Proportional to 186,214,667.82, 256,976,243.13 and 103,708,452.57

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Solution

The fourth proportional to 186,214,667.82, 256,976,243.13 and 103,708,452.57 is: 143,117,665.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,214,667.82 : 256,976,243.13 = 103,708,452.57 : x
  2. Step 2: Convert to fraction form
    186,214,667.82/256,976,243.13 = 103,708,452.57/x
  3. Step 3: Cross multiply
    186,214,667.82x = 256,976,243.13 × 103,708,452.57
  4. Step 4: Simplify right side
    186,214,667.82x = 26,650,608,522,264,392
  5. Step 5: Solve for x
    x = 26,650,608,522,264,392/186,214,667.82
  6. Step 6: Final answer
    x = 143,117,665.40

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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.