Home / 129,589,548.64-178,835,273.37-70,852,281.88

Finding the Fourth Proportional to 129,589,548.64, 178,835,273.37 and 70,852,281.88

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Solution

The fourth proportional to 129,589,548.64, 178,835,273.37 and 70,852,281.88 is: 97,777,076.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,589,548.64 : 178,835,273.37 = 70,852,281.88 : x
  2. Step 2: Convert to fraction form
    129,589,548.64/178,835,273.37 = 70,852,281.88/x
  3. Step 3: Cross multiply
    129,589,548.64x = 178,835,273.37 × 70,852,281.88
  4. Step 4: Simplify right side
    129,589,548.64x = 12,670,887,198,898,098
  5. Step 5: Solve for x
    x = 12,670,887,198,898,098/129,589,548.64
  6. Step 6: Final answer
    x = 97,777,076.41

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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.