Home / 137,192,878,424.28-189,331,281,721.34-82,268,993,586.64

Finding the Fourth Proportional to 137,192,878,424.28, 189,331,281,721.34 and 82,268,993,586.64

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Solution

The fourth proportional to 137,192,878,424.28, 189,331,281,721.34 and 82,268,993,586.64 is: 113,534,275,106.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,192,878,424.28 : 189,331,281,721.34 = 82,268,993,586.64 : x
  2. Step 2: Convert to fraction form
    137,192,878,424.28/189,331,281,721.34 = 82,268,993,586.64/x
  3. Step 3: Cross multiply
    137,192,878,424.28x = 189,331,281,721.34 × 82,268,993,586.64
  4. Step 4: Simplify right side
    137,192,878,424.28x = 15,576,094,001,683,251,593,216
  5. Step 5: Solve for x
    x = 15,576,094,001,683,251,593,216/137,192,878,424.28
  6. Step 6: Final answer
    x = 113,534,275,106.56

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1.5x scale

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.