Home / 126,036,005.40-189,054,008.10-107,896,152.60

Finding the Fourth Proportional to 126,036,005.40, 189,054,008.10 and 107,896,152.60

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Solution

The fourth proportional to 126,036,005.40, 189,054,008.10 and 107,896,152.60 is: 161,844,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,036,005.40 : 189,054,008.10 = 107,896,152.60 : x
  2. Step 2: Convert to fraction form
    126,036,005.40/189,054,008.10 = 107,896,152.60/x
  3. Step 3: Cross multiply
    126,036,005.40x = 189,054,008.10 × 107,896,152.60
  4. Step 4: Simplify right side
    126,036,005.40x = 20,398,200,107,599,236
  5. Step 5: Solve for x
    x = 20,398,200,107,599,236/126,036,005.40
  6. Step 6: Final answer
    x = 161,844,228.90

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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.