Home / 72,051,901.92-108,078,072.12-17,464,272.84

Finding the Fourth Proportional to 72,051,901.92, 108,078,072.12 and 17,464,272.84

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Solution

The fourth proportional to 72,051,901.92, 108,078,072.12 and 17,464,272.84 is: 26,196,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,051,901.92 : 108,078,072.12 = 17,464,272.84 : x
  2. Step 2: Convert to fraction form
    72,051,901.92/108,078,072.12 = 17,464,272.84/x
  3. Step 3: Cross multiply
    72,051,901.92x = 108,078,072.12 × 17,464,272.84
  4. Step 4: Simplify right side
    72,051,901.92x = 1,887,504,939,524,877.25
  5. Step 5: Solve for x
    x = 1,887,504,939,524,877.25/72,051,901.92
  6. Step 6: Final answer
    x = 26,196,462.40

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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.