Home / 217,810,081.10-326,715,121.65-103,018,825.10

Finding the Fourth Proportional to 217,810,081.10, 326,715,121.65 and 103,018,825.10

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Solution

The fourth proportional to 217,810,081.10, 326,715,121.65 and 103,018,825.10 is: 154,528,237.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,810,081.10 : 326,715,121.65 = 103,018,825.10 : x
  2. Step 2: Convert to fraction form
    217,810,081.10/326,715,121.65 = 103,018,825.10/x
  3. Step 3: Cross multiply
    217,810,081.10x = 326,715,121.65 × 103,018,825.10
  4. Step 4: Simplify right side
    217,810,081.10x = 33,657,807,974,786,568
  5. Step 5: Solve for x
    x = 33,657,807,974,786,568/217,810,081.10
  6. Step 6: Final answer
    x = 154,528,237.65

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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.