Home / 85,269,291.20-127,875,943.20-31,409,604.80

Finding the Fourth Proportional to 85,269,291.20, 127,875,943.20 and 31,409,604.80

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Solution

The fourth proportional to 85,269,291.20, 127,875,943.20 and 31,409,604.80 is: 47,104,095.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,269,291.20 : 127,875,943.20 = 31,409,604.80 : x
  2. Step 2: Convert to fraction form
    85,269,291.20/127,875,943.20 = 31,409,604.80/x
  3. Step 3: Cross multiply
    85,269,291.20x = 127,875,943.20 × 31,409,604.80
  4. Step 4: Simplify right side
    85,269,291.20x = 4,016,532,839,339,247.50
  5. Step 5: Solve for x
    x = 4,016,532,839,339,247.50/85,269,291.20
  6. Step 6: Final answer
    x = 47,104,095.54

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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.