Home / 243,560,692.05-336,120,844.02-137,711,833.61

Finding the Fourth Proportional to 243,560,692.05, 336,120,844.02 and 137,711,833.61

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Solution

The fourth proportional to 243,560,692.05, 336,120,844.02 and 137,711,833.61 is: 190,046,338.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,560,692.05 : 336,120,844.02 = 137,711,833.61 : x
  2. Step 2: Convert to fraction form
    243,560,692.05/336,120,844.02 = 137,711,833.61/x
  3. Step 3: Cross multiply
    243,560,692.05x = 336,120,844.02 × 137,711,833.61
  4. Step 4: Simplify right side
    243,560,692.05x = 46,287,817,742,854,392
  5. Step 5: Solve for x
    x = 46,287,817,742,854,392/243,560,692.05
  6. Step 6: Final answer
    x = 190,046,338.57

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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.