Home / 140,920,251.39-211,410,783.68-42,543,796.05

Finding the Fourth Proportional to 140,920,251.39, 211,410,783.68 and 42,543,796.05

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Solution

The fourth proportional to 140,920,251.39, 211,410,783.68 and 42,543,796.05 is: 63,824,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,920,251.39 : 211,410,783.68 = 42,543,796.05 : x
  2. Step 2: Convert to fraction form
    140,920,251.39/211,410,783.68 = 42,543,796.05/x
  3. Step 3: Cross multiply
    140,920,251.39x = 211,410,783.68 × 42,543,796.05
  4. Step 4: Simplify right side
    140,920,251.39x = 8,994,217,263,439,869
  5. Step 5: Solve for x
    x = 8,994,217,263,439,869/140,920,251.39
  6. Step 6: Final answer
    x = 63,824,873.82

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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.