Home / 147,730,073.64-203,878,056.26-81,649,149.32

Finding the Fourth Proportional to 147,730,073.64, 203,878,056.26 and 81,649,149.32

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Solution

The fourth proportional to 147,730,073.64, 203,878,056.26 and 81,649,149.32 is: 112,681,659.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,730,073.64 : 203,878,056.26 = 81,649,149.32 : x
  2. Step 2: Convert to fraction form
    147,730,073.64/203,878,056.26 = 81,649,149.32/x
  3. Step 3: Cross multiply
    147,730,073.64x = 203,878,056.26 × 81,649,149.32
  4. Step 4: Simplify right side
    147,730,073.64x = 16,646,469,858,644,098
  5. Step 5: Solve for x
    x = 16,646,469,858,644,098/147,730,073.64
  6. Step 6: Final answer
    x = 112,681,659.52

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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.