Home / 54,149,838.30-81,216,041.85-15,802,364.70

Finding the Fourth Proportional to 54,149,838.30, 81,216,041.85 and 15,802,364.70

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Solution

The fourth proportional to 54,149,838.30, 81,216,041.85 and 15,802,364.70 is: 23,701,003.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,149,838.30 : 81,216,041.85 = 15,802,364.70 : x
  2. Step 2: Convert to fraction form
    54,149,838.30/81,216,041.85 = 15,802,364.70/x
  3. Step 3: Cross multiply
    54,149,838.30x = 81,216,041.85 × 15,802,364.70
  4. Step 4: Simplify right side
    54,149,838.30x = 1,283,405,512,804,162.50
  5. Step 5: Solve for x
    x = 1,283,405,512,804,162.50/54,149,838.30
  6. Step 6: Final answer
    x = 23,701,003.61

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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.