Home / 81,867,544.65-122,801,316.98-60,344,184.15

Finding the Fourth Proportional to 81,867,544.65, 122,801,316.98 and 60,344,184.15

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Solution

The fourth proportional to 81,867,544.65, 122,801,316.98 and 60,344,184.15 is: 90,516,276.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,867,544.65 : 122,801,316.98 = 60,344,184.15 : x
  2. Step 2: Convert to fraction form
    81,867,544.65/122,801,316.98 = 60,344,184.15/x
  3. Step 3: Cross multiply
    81,867,544.65x = 122,801,316.98 × 60,344,184.15
  4. Step 4: Simplify right side
    81,867,544.65x = 7,410,345,285,401,920
  5. Step 5: Solve for x
    x = 7,410,345,285,401,920/81,867,544.65
  6. Step 6: Final answer
    x = 90,516,276.23

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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.