Home / 45,479,037.15-68,218,555.73-18,171,827.10

Finding the Fourth Proportional to 45,479,037.15, 68,218,555.73 and 18,171,827.10

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Solution

The fourth proportional to 45,479,037.15, 68,218,555.73 and 18,171,827.10 is: 27,257,740.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,479,037.15 : 68,218,555.73 = 18,171,827.10 : x
  2. Step 2: Convert to fraction form
    45,479,037.15/68,218,555.73 = 18,171,827.10/x
  3. Step 3: Cross multiply
    45,479,037.15x = 68,218,555.73 × 18,171,827.10
  4. Step 4: Simplify right side
    45,479,037.15x = 1,239,655,799,646,415.25
  5. Step 5: Solve for x
    x = 1,239,655,799,646,415.25/45,479,037.15
  6. Step 6: Final answer
    x = 27,257,740.65

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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.