Home / 54,457,929.66-81,704,162.70-19,442,292.72

Finding the Fourth Proportional to 54,457,929.66, 81,704,162.70 and 19,442,292.72

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Solution

The fourth proportional to 54,457,929.66, 81,704,162.70 and 19,442,292.72 is: 29,169,604.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,457,929.66 : 81,704,162.70 = 19,442,292.72 : x
  2. Step 2: Convert to fraction form
    54,457,929.66/81,704,162.70 = 19,442,292.72/x
  3. Step 3: Cross multiply
    54,457,929.66x = 81,704,162.70 × 19,442,292.72
  4. Step 4: Simplify right side
    54,457,929.66x = 1,588,516,247,655,905.50
  5. Step 5: Solve for x
    x = 1,588,516,247,655,905.50/54,457,929.66
  6. Step 6: Final answer
    x = 29,169,604.09

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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.