Home / 76,124,936.43-105,052,490.02-41,317,634.05

Finding the Fourth Proportional to 76,124,936.43, 105,052,490.02 and 41,317,634.05

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Solution

The fourth proportional to 76,124,936.43, 105,052,490.02 and 41,317,634.05 is: 57,018,377.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,124,936.43 : 105,052,490.02 = 41,317,634.05 : x
  2. Step 2: Convert to fraction form
    76,124,936.43/105,052,490.02 = 41,317,634.05/x
  3. Step 3: Cross multiply
    76,124,936.43x = 105,052,490.02 × 41,317,634.05
  4. Step 4: Simplify right side
    76,124,936.43x = 4,340,520,338,476,652.50
  5. Step 5: Solve for x
    x = 4,340,520,338,476,652.50/76,124,936.43
  6. Step 6: Final answer
    x = 57,018,377.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.