Home / 53,223,915.30-73,448,575.30-30,898,972.86

Finding the Fourth Proportional to 53,223,915.30, 73,448,575.30 and 30,898,972.86

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Solution

The fourth proportional to 53,223,915.30, 73,448,575.30 and 30,898,972.86 is: 42,640,334.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,223,915.30 : 73,448,575.30 = 30,898,972.86 : x
  2. Step 2: Convert to fraction form
    53,223,915.30/73,448,575.30 = 30,898,972.86/x
  3. Step 3: Cross multiply
    53,223,915.30x = 73,448,575.30 × 30,898,972.86
  4. Step 4: Simplify right side
    53,223,915.30x = 2,269,485,534,800,366
  5. Step 5: Solve for x
    x = 2,269,485,534,800,366/53,223,915.30
  6. Step 6: Final answer
    x = 42,640,334.18

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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.