Home / 72,221,845.62-99,666,336.22-39,182,093.04

Finding the Fourth Proportional to 72,221,845.62, 99,666,336.22 and 39,182,093.04

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Solution

The fourth proportional to 72,221,845.62, 99,666,336.22 and 39,182,093.04 is: 54,071,391.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,221,845.62 : 99,666,336.22 = 39,182,093.04 : x
  2. Step 2: Convert to fraction form
    72,221,845.62/99,666,336.22 = 39,182,093.04/x
  3. Step 3: Cross multiply
    72,221,845.62x = 99,666,336.22 × 39,182,093.04
  4. Step 4: Simplify right side
    72,221,845.62x = 3,905,135,658,727,962
  5. Step 5: Solve for x
    x = 3,905,135,658,727,962/72,221,845.62
  6. Step 6: Final answer
    x = 54,071,391.08

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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.