Home / 81,460,818.87-122,225,066.87-32,972,948.79

Finding the Fourth Proportional to 81,460,818.87, 122,225,066.87 and 32,972,948.79

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Solution

The fourth proportional to 81,460,818.87, 122,225,066.87 and 32,972,948.79 is: 49,473,120.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,460,818.87 : 122,225,066.87 = 32,972,948.79 : x
  2. Step 2: Convert to fraction form
    81,460,818.87/122,225,066.87 = 32,972,948.79/x
  3. Step 3: Cross multiply
    81,460,818.87x = 122,225,066.87 × 32,972,948.79
  4. Step 4: Simplify right side
    81,460,818.87x = 4,030,120,870,593,970.50
  5. Step 5: Solve for x
    x = 4,030,120,870,593,970.50/81,460,818.87
  6. Step 6: Final answer
    x = 49,473,120.04

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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.