Home / 72,021,747.88-108,032,898.84-17,434,244.08

Finding the Fourth Proportional to 72,021,747.88, 108,032,898.84 and 17,434,244.08

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Solution

The fourth proportional to 72,021,747.88, 108,032,898.84 and 17,434,244.08 is: 26,151,433.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,021,747.88 : 108,032,898.84 = 17,434,244.08 : x
  2. Step 2: Convert to fraction form
    72,021,747.88/108,032,898.84 = 17,434,244.08/x
  3. Step 3: Cross multiply
    72,021,747.88x = 108,032,898.84 × 17,434,244.08
  4. Step 4: Simplify right side
    72,021,747.88x = 1,883,471,927,046,508.75
  5. Step 5: Solve for x
    x = 1,883,471,927,046,508.75/72,021,747.88
  6. Step 6: Final answer
    x = 26,151,433.18

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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.