Home / 54,437,114.70-81,655,672.05-18,535,322.70

Finding the Fourth Proportional to 54,437,114.70, 81,655,672.05 and 18,535,322.70

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Solution

The fourth proportional to 54,437,114.70, 81,655,672.05 and 18,535,322.70 is: 27,802,984.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,437,114.70 : 81,655,672.05 = 18,535,322.70 : x
  2. Step 2: Convert to fraction form
    54,437,114.70/81,655,672.05 = 18,535,322.70/x
  3. Step 3: Cross multiply
    54,437,114.70x = 81,655,672.05 × 18,535,322.70
  4. Step 4: Simplify right side
    54,437,114.70x = 1,513,514,231,732,120.50
  5. Step 5: Solve for x
    x = 1,513,514,231,732,120.50/54,437,114.70
  6. Step 6: Final answer
    x = 27,802,984.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.