Home / 104,123,836.12-143,690,646.16-57,080,826.76

Finding the Fourth Proportional to 104,123,836.12, 143,690,646.16 and 57,080,826.76

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Solution

The fourth proportional to 104,123,836.12, 143,690,646.16 and 57,080,826.76 is: 78,771,405.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,123,836.12 : 143,690,646.16 = 57,080,826.76 : x
  2. Step 2: Convert to fraction form
    104,123,836.12/143,690,646.16 = 57,080,826.76/x
  3. Step 3: Cross multiply
    104,123,836.12x = 143,690,646.16 × 57,080,826.76
  4. Step 4: Simplify right side
    104,123,836.12x = 8,201,980,880,491,419
  5. Step 5: Solve for x
    x = 8,201,980,880,491,419/104,123,836.12
  6. Step 6: Final answer
    x = 78,771,405.15

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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.