Home / 54,457,921.63-81,704,150.70-19,442,284.72

Finding the Fourth Proportional to 54,457,921.63, 81,704,150.70 and 19,442,284.72

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Solution

The fourth proportional to 54,457,921.63, 81,704,150.70 and 19,442,284.72 is: 29,169,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,457,921.63 : 81,704,150.70 = 19,442,284.72 : x
  2. Step 2: Convert to fraction form
    54,457,921.63/81,704,150.70 = 19,442,284.72/x
  3. Step 3: Cross multiply
    54,457,921.63x = 81,704,150.70 × 19,442,284.72
  4. Step 4: Simplify right side
    54,457,921.63x = 1,588,515,360,715,187.25
  5. Step 5: Solve for x
    x = 1,588,515,360,715,187.25/54,457,921.63
  6. Step 6: Final answer
    x = 29,169,592.10

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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.