Home / 52,117,496.17-71,922,229.44-28,912,623.86

Finding the Fourth Proportional to 52,117,496.17, 71,922,229.44 and 28,912,623.86

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Solution

The fourth proportional to 52,117,496.17, 71,922,229.44 and 28,912,623.86 is: 39,899,467.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,117,496.17 : 71,922,229.44 = 28,912,623.86 : x
  2. Step 2: Convert to fraction form
    52,117,496.17/71,922,229.44 = 28,912,623.86/x
  3. Step 3: Cross multiply
    52,117,496.17x = 71,922,229.44 × 28,912,623.86
  4. Step 4: Simplify right side
    52,117,496.17x = 2,079,460,366,971,338.25
  5. Step 5: Solve for x
    x = 2,079,460,366,971,338.25/52,117,496.17
  6. Step 6: Final answer
    x = 39,899,467.93

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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.