Home / 108,827,711.26-150,188,558.88-81,956,948.11

Finding the Fourth Proportional to 108,827,711.26, 150,188,558.88 and 81,956,948.11

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Solution

The fourth proportional to 108,827,711.26, 150,188,558.88 and 81,956,948.11 is: 113,105,345.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,827,711.26 : 150,188,558.88 = 81,956,948.11 : x
  2. Step 2: Convert to fraction form
    108,827,711.26/150,188,558.88 = 81,956,948.11/x
  3. Step 3: Cross multiply
    108,827,711.26x = 150,188,558.88 × 81,956,948.11
  4. Step 4: Simplify right side
    108,827,711.26x = 12,308,995,926,843,840
  5. Step 5: Solve for x
    x = 12,308,995,926,843,840/108,827,711.26
  6. Step 6: Final answer
    x = 113,105,345.91

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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.