Home / 102,789,725.13-141,881,579.51-66,120,299.37

Finding the Fourth Proportional to 102,789,725.13, 141,881,579.51 and 66,120,299.37

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Solution

The fourth proportional to 102,789,725.13, 141,881,579.51 and 66,120,299.37 is: 91,266,442.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,789,725.13 : 141,881,579.51 = 66,120,299.37 : x
  2. Step 2: Convert to fraction form
    102,789,725.13/141,881,579.51 = 66,120,299.37/x
  3. Step 3: Cross multiply
    102,789,725.13x = 141,881,579.51 × 66,120,299.37
  4. Step 4: Simplify right side
    102,789,725.13x = 9,381,252,511,959,056
  5. Step 5: Solve for x
    x = 9,381,252,511,959,056/102,789,725.13
  6. Step 6: Final answer
    x = 91,266,442.25

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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.