Home / 72,462,318.79-99,998,434.82-39,422,804.94

Finding the Fourth Proportional to 72,462,318.79, 99,998,434.82 and 39,422,804.94

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Solution

The fourth proportional to 72,462,318.79, 99,998,434.82 and 39,422,804.94 is: 54,403,707.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,462,318.79 : 99,998,434.82 = 39,422,804.94 : x
  2. Step 2: Convert to fraction form
    72,462,318.79/99,998,434.82 = 39,422,804.94/x
  3. Step 3: Cross multiply
    72,462,318.79x = 99,998,434.82 × 39,422,804.94
  4. Step 4: Simplify right side
    72,462,318.79x = 3,942,218,790,214,163.50
  5. Step 5: Solve for x
    x = 3,942,218,790,214,163.50/72,462,318.79
  6. Step 6: Final answer
    x = 54,403,707.42

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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.