Home / 102,985,234.56-142,121,079.36-56,579,777.28

Finding the Fourth Proportional to 102,985,234.56, 142,121,079.36 and 56,579,777.28

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Solution

The fourth proportional to 102,985,234.56, 142,121,079.36 and 56,579,777.28 is: 78,080,892.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,985,234.56 : 142,121,079.36 = 56,579,777.28 : x
  2. Step 2: Convert to fraction form
    102,985,234.56/142,121,079.36 = 56,579,777.28/x
  3. Step 3: Cross multiply
    102,985,234.56x = 142,121,079.36 × 56,579,777.28
  4. Step 4: Simplify right side
    102,985,234.56x = 8,041,179,016,982,006
  5. Step 5: Solve for x
    x = 8,041,179,016,982,006/102,985,234.56
  6. Step 6: Final answer
    x = 78,080,892.39

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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.