Home / 45,135,284.64-67,655,678.68-18,889,158.86

Finding the Fourth Proportional to 45,135,284.64, 67,655,678.68 and 18,889,158.86

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Solution

The fourth proportional to 45,135,284.64, 67,655,678.68 and 18,889,158.86 is: 28,313,964.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,135,284.64 : 67,655,678.68 = 18,889,158.86 : x
  2. Step 2: Convert to fraction form
    45,135,284.64/67,655,678.68 = 18,889,158.86/x
  3. Step 3: Cross multiply
    45,135,284.64x = 67,655,678.68 × 18,889,158.86
  4. Step 4: Simplify right side
    45,135,284.64x = 1,277,958,862,306,677
  5. Step 5: Solve for x
    x = 1,277,958,862,306,677/45,135,284.64
  6. Step 6: Final answer
    x = 28,313,964.84

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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.