Home / 100,602,003.40-150,903,005.10-73,179,647.80

Finding the Fourth Proportional to 100,602,003.40, 150,903,005.10 and 73,179,647.80

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Solution

The fourth proportional to 100,602,003.40, 150,903,005.10 and 73,179,647.80 is: 109,769,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,602,003.40 : 150,903,005.10 = 73,179,647.80 : x
  2. Step 2: Convert to fraction form
    100,602,003.40/150,903,005.10 = 73,179,647.80/x
  3. Step 3: Cross multiply
    100,602,003.40x = 150,903,005.10 × 73,179,647.80
  4. Step 4: Simplify right side
    100,602,003.40x = 11,043,028,765,179,602
  5. Step 5: Solve for x
    x = 11,043,028,765,179,602/100,602,003.40
  6. Step 6: Final answer
    x = 109,769,471.70

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1.5x scale

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.