Home / 52,728,100.32-72,761,568.36-29,205,242.70

Finding the Fourth Proportional to 52,728,100.32, 72,761,568.36 and 29,205,242.70

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Solution

The fourth proportional to 52,728,100.32, 72,761,568.36 and 29,205,242.70 is: 40,301,456.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,728,100.32 : 72,761,568.36 = 29,205,242.70 : x
  2. Step 2: Convert to fraction form
    52,728,100.32/72,761,568.36 = 29,205,242.70/x
  3. Step 3: Cross multiply
    52,728,100.32x = 72,761,568.36 × 29,205,242.70
  4. Step 4: Simplify right side
    52,728,100.32x = 2,125,019,263,186,441
  5. Step 5: Solve for x
    x = 2,125,019,263,186,441/52,728,100.32
  6. Step 6: Final answer
    x = 40,301,456.91

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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.