Home / 243,439,947.64-335,983,185.66-154,140,193

Finding the Fourth Proportional to 243,439,947.64, 335,983,185.66 and 154,140,193

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Solution

The fourth proportional to 243,439,947.64, 335,983,185.66 and 154,140,193 is: 212,736,297.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,439,947.64 : 335,983,185.66 = 154,140,193 : x
  2. Step 2: Convert to fraction form
    243,439,947.64/335,983,185.66 = 154,140,193/x
  3. Step 3: Cross multiply
    243,439,947.64x = 335,983,185.66 × 154,140,193
  4. Step 4: Simplify right side
    243,439,947.64x = 51,788,513,082,387,240
  5. Step 5: Solve for x
    x = 51,788,513,082,387,240/243,439,947.64
  6. Step 6: Final answer
    x = 212,736,297.33

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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.