Home / 53,173,489.28-73,385,254.34-30,851,392.64

Finding the Fourth Proportional to 53,173,489.28, 73,385,254.34 and 30,851,392.64

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Solution

The fourth proportional to 53,173,489.28, 73,385,254.34 and 30,851,392.64 is: 42,578,309.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,173,489.28 : 73,385,254.34 = 30,851,392.64 : x
  2. Step 2: Convert to fraction form
    53,173,489.28/73,385,254.34 = 30,851,392.64/x
  3. Step 3: Cross multiply
    53,173,489.28x = 73,385,254.34 × 30,851,392.64
  4. Step 4: Simplify right side
    53,173,489.28x = 2,264,037,295,291,883.50
  5. Step 5: Solve for x
    x = 2,264,037,295,291,883.50/53,173,489.28
  6. Step 6: Final answer
    x = 42,578,309.72

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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.