Home / 51,447,531.29-77,112,591.91-20,722,444.97

Finding the Fourth Proportional to 51,447,531.29, 77,112,591.91 and 20,722,444.97

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Solution

The fourth proportional to 51,447,531.29, 77,112,591.91 and 20,722,444.97 is: 31,060,021.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,447,531.29 : 77,112,591.91 = 20,722,444.97 : x
  2. Step 2: Convert to fraction form
    51,447,531.29/77,112,591.91 = 20,722,444.97/x
  3. Step 3: Cross multiply
    51,447,531.29x = 77,112,591.91 × 20,722,444.97
  4. Step 4: Simplify right side
    51,447,531.29x = 1,597,961,441,911,673
  5. Step 5: Solve for x
    x = 1,597,961,441,911,673/51,447,531.29
  6. Step 6: Final answer
    x = 31,060,021.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.