Home / 81,664,334.81-122,496,390.19-37,921,173.18

Finding the Fourth Proportional to 81,664,334.81, 122,496,390.19 and 37,921,173.18

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Solution

The fourth proportional to 81,664,334.81, 122,496,390.19 and 37,921,173.18 is: 56,881,707.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,664,334.81 : 122,496,390.19 = 37,921,173.18 : x
  2. Step 2: Convert to fraction form
    81,664,334.81/122,496,390.19 = 37,921,173.18/x
  3. Step 3: Cross multiply
    81,664,334.81x = 122,496,390.19 × 37,921,173.18
  4. Step 4: Simplify right side
    81,664,334.81x = 4,645,206,826,319,843
  5. Step 5: Solve for x
    x = 4,645,206,826,319,843/81,664,334.81
  6. Step 6: Final answer
    x = 56,881,707.75

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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.