Home / 51,321,211.52-70,823,247.36-30,694,657.28

Finding the Fourth Proportional to 51,321,211.52, 70,823,247.36 and 30,694,657.28

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Solution

The fourth proportional to 51,321,211.52, 70,823,247.36 and 30,694,657.28 is: 42,358,612.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,321,211.52 : 70,823,247.36 = 30,694,657.28 : x
  2. Step 2: Convert to fraction form
    51,321,211.52/70,823,247.36 = 30,694,657.28/x
  3. Step 3: Cross multiply
    51,321,211.52x = 70,823,247.36 × 30,694,657.28
  4. Step 4: Simplify right side
    51,321,211.52x = 2,173,895,305,171,864.75
  5. Step 5: Solve for x
    x = 2,173,895,305,171,864.75/51,321,211.52
  6. Step 6: Final answer
    x = 42,358,612.37

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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.