Home / 82,503,979.80-123,674,321.70-36,470,837.40

Finding the Fourth Proportional to 82,503,979.80, 123,674,321.70 and 36,470,837.40

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Solution

The fourth proportional to 82,503,979.80, 123,674,321.70 and 36,470,837.40 is: 54,670,163.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,503,979.80 : 123,674,321.70 = 36,470,837.40 : x
  2. Step 2: Convert to fraction form
    82,503,979.80/123,674,321.70 = 36,470,837.40/x
  3. Step 3: Cross multiply
    82,503,979.80x = 123,674,321.70 × 36,470,837.40
  4. Step 4: Simplify right side
    82,503,979.80x = 4,510,506,077,275,992
  5. Step 5: Solve for x
    x = 4,510,506,077,275,992/82,503,979.80
  6. Step 6: Final answer
    x = 54,670,163.65

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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.