Home / 140,221,039.97-210,331,277.25-131,688,165.44

Finding the Fourth Proportional to 140,221,039.97, 210,331,277.25 and 131,688,165.44

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Solution

The fourth proportional to 140,221,039.97, 210,331,277.25 and 131,688,165.44 is: 197,531,982.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,221,039.97 : 210,331,277.25 = 131,688,165.44 : x
  2. Step 2: Convert to fraction form
    140,221,039.97/210,331,277.25 = 131,688,165.44/x
  3. Step 3: Cross multiply
    140,221,039.97x = 210,331,277.25 × 131,688,165.44
  4. Step 4: Simplify right side
    140,221,039.97x = 27,698,140,034,652,852
  5. Step 5: Solve for x
    x = 27,698,140,034,652,852/140,221,039.97
  6. Step 6: Final answer
    x = 197,531,982.66

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1.5x scale

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.