Home / 72,330,553.94-99,816,203.31-39,737,605.46

Finding the Fourth Proportional to 72,330,553.94, 99,816,203.31 and 39,737,605.46

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Solution

The fourth proportional to 72,330,553.94, 99,816,203.31 and 39,737,605.46 is: 54,837,916.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,330,553.94 : 99,816,203.31 = 39,737,605.46 : x
  2. Step 2: Convert to fraction form
    72,330,553.94/99,816,203.31 = 39,737,605.46/x
  3. Step 3: Cross multiply
    72,330,553.94x = 99,816,203.31 × 39,737,605.46
  4. Step 4: Simplify right side
    72,330,553.94x = 3,966,456,905,647,926.50
  5. Step 5: Solve for x
    x = 3,966,456,905,647,926.50/72,330,553.94
  6. Step 6: Final answer
    x = 54,837,916.89

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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.