Home / 53,173,489.78-73,385,255.03-30,851,393.14

Finding the Fourth Proportional to 53,173,489.78, 73,385,255.03 and 30,851,393.14

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Solution

The fourth proportional to 53,173,489.78, 73,385,255.03 and 30,851,393.14 is: 42,578,310.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,173,489.78 : 73,385,255.03 = 30,851,393.14 : x
  2. Step 2: Convert to fraction form
    53,173,489.78/73,385,255.03 = 30,851,393.14/x
  3. Step 3: Cross multiply
    53,173,489.78x = 73,385,255.03 × 30,851,393.14
  4. Step 4: Simplify right side
    53,173,489.78x = 2,264,037,353,271,972.50
  5. Step 5: Solve for x
    x = 2,264,037,353,271,972.50/53,173,489.78
  6. Step 6: Final answer
    x = 42,578,310.41

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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.