Home / 72,255,973.73-99,713,342.18-39,216,223.27

Finding the Fourth Proportional to 72,255,973.73, 99,713,342.18 and 39,216,223.27

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Solution

The fourth proportional to 72,255,973.73, 99,713,342.18 and 39,216,223.27 is: 54,118,441.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,255,973.73 : 99,713,342.18 = 39,216,223.27 : x
  2. Step 2: Convert to fraction form
    72,255,973.73/99,713,342.18 = 39,216,223.27/x
  3. Step 3: Cross multiply
    72,255,973.73x = 99,713,342.18 × 39,216,223.27
  4. Step 4: Simplify right side
    72,255,973.73x = 3,910,380,690,151,471
  5. Step 5: Solve for x
    x = 3,910,380,690,151,471/72,255,973.73
  6. Step 6: Final answer
    x = 54,118,441.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.