Home / 108,515,119-149,713,827.42-67,246,953.88

Finding the Fourth Proportional to 108,515,119, 149,713,827.42 and 67,246,953.88

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Solution

The fourth proportional to 108,515,119, 149,713,827.42 and 67,246,953.88 is: 92,777,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,515,119 : 149,713,827.42 = 67,246,953.88 : x
  2. Step 2: Convert to fraction form
    108,515,119/149,713,827.42 = 67,246,953.88/x
  3. Step 3: Cross multiply
    108,515,119x = 149,713,827.42 × 67,246,953.88
  4. Step 4: Simplify right side
    108,515,119x = 10,067,798,847,711,018
  5. Step 5: Solve for x
    x = 10,067,798,847,711,018/108,515,119
  6. Step 6: Final answer
    x = 92,777,844.60

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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.