Home / 72,339,060.92-99,828,603.72-39,299,546.48

Finding the Fourth Proportional to 72,339,060.92, 99,828,603.72 and 39,299,546.48

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Solution

The fourth proportional to 72,339,060.92, 99,828,603.72 and 39,299,546.48 is: 54,233,754.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,339,060.92 : 99,828,603.72 = 39,299,546.48 : x
  2. Step 2: Convert to fraction form
    72,339,060.92/99,828,603.72 = 39,299,546.48/x
  3. Step 3: Cross multiply
    72,339,060.92x = 99,828,603.72 × 39,299,546.48
  4. Step 4: Simplify right side
    72,339,060.92x = 3,923,218,852,177,212.50
  5. Step 5: Solve for x
    x = 3,923,218,852,177,212.50/72,339,060.92
  6. Step 6: Final answer
    x = 54,233,754.24

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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.