Home / 85,127,667.46-127,401,883.76-52,320,938.31

Finding the Fourth Proportional to 85,127,667.46, 127,401,883.76 and 52,320,938.31

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Solution

The fourth proportional to 85,127,667.46, 127,401,883.76 and 52,320,938.31 is: 78,303,403.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,127,667.46 : 127,401,883.76 = 52,320,938.31 : x
  2. Step 2: Convert to fraction form
    85,127,667.46/127,401,883.76 = 52,320,938.31/x
  3. Step 3: Cross multiply
    85,127,667.46x = 127,401,883.76 × 52,320,938.31
  4. Step 4: Simplify right side
    85,127,667.46x = 6,665,786,100,915,554
  5. Step 5: Solve for x
    x = 6,665,786,100,915,554/85,127,667.46
  6. Step 6: Final answer
    x = 78,303,403.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.