Home / 67,343,251.32-101,015,088.40-18,820,785.32

Finding the Fourth Proportional to 67,343,251.32, 101,015,088.40 and 18,820,785.32

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Solution

The fourth proportional to 67,343,251.32, 101,015,088.40 and 18,820,785.32 is: 28,231,237.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,343,251.32 : 101,015,088.40 = 18,820,785.32 : x
  2. Step 2: Convert to fraction form
    67,343,251.32/101,015,088.40 = 18,820,785.32/x
  3. Step 3: Cross multiply
    67,343,251.32x = 101,015,088.40 × 18,820,785.32
  4. Step 4: Simplify right side
    67,343,251.32x = 1,901,183,292,857,222.50
  5. Step 5: Solve for x
    x = 1,901,183,292,857,222.50/67,343,251.32
  6. Step 6: Final answer
    x = 28,231,237.07

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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.