Home / 54,120,913.92-81,194,918.44-15,782,432.40

Finding the Fourth Proportional to 54,120,913.92, 81,194,918.44 and 15,782,432.40

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Solution

The fourth proportional to 54,120,913.92, 81,194,918.44 and 15,782,432.40 is: 23,677,599.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,120,913.92 : 81,194,918.44 = 15,782,432.40 : x
  2. Step 2: Convert to fraction form
    54,120,913.92/81,194,918.44 = 15,782,432.40/x
  3. Step 3: Cross multiply
    54,120,913.92x = 81,194,918.44 × 15,782,432.40
  4. Step 4: Simplify right side
    54,120,913.92x = 1,281,453,311,502,813.50
  5. Step 5: Solve for x
    x = 1,281,453,311,502,813.50/54,120,913.92
  6. Step 6: Final answer
    x = 23,677,599.26

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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.