Home / 72,292,702.62-99,764,047.70-39,253,015.65

Finding the Fourth Proportional to 72,292,702.62, 99,764,047.70 and 39,253,015.65

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Solution

The fourth proportional to 72,292,702.62, 99,764,047.70 and 39,253,015.65 is: 54,169,225.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,292,702.62 : 99,764,047.70 = 39,253,015.65 : x
  2. Step 2: Convert to fraction form
    72,292,702.62/99,764,047.70 = 39,253,015.65/x
  3. Step 3: Cross multiply
    72,292,702.62x = 99,764,047.70 × 39,253,015.65
  4. Step 4: Simplify right side
    72,292,702.62x = 3,916,039,725,479,181
  5. Step 5: Solve for x
    x = 3,916,039,725,479,181/72,292,702.62
  6. Step 6: Final answer
    x = 54,169,225.71

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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.