Home / 99,922,624.40-137,850,997.14-66,893,513.60

Finding the Fourth Proportional to 99,922,624.40, 137,850,997.14 and 66,893,513.60

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Solution

The fourth proportional to 99,922,624.40, 137,850,997.14 and 66,893,513.60 is: 92,284,781.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,922,624.40 : 137,850,997.14 = 66,893,513.60 : x
  2. Step 2: Convert to fraction form
    99,922,624.40/137,850,997.14 = 66,893,513.60/x
  3. Step 3: Cross multiply
    99,922,624.40x = 137,850,997.14 × 66,893,513.60
  4. Step 4: Simplify right side
    99,922,624.40x = 9,221,337,551,958,150
  5. Step 5: Solve for x
    x = 9,221,337,551,958,150/99,922,624.40
  6. Step 6: Final answer
    x = 92,284,781.42

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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.