Home / 100,725,506.45-151,088,259.68-70,114,504.85

Finding the Fourth Proportional to 100,725,506.45, 151,088,259.68 and 70,114,504.85

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Solution

The fourth proportional to 100,725,506.45, 151,088,259.68 and 70,114,504.85 is: 105,171,757.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,725,506.45 : 151,088,259.68 = 70,114,504.85 : x
  2. Step 2: Convert to fraction form
    100,725,506.45/151,088,259.68 = 70,114,504.85/x
  3. Step 3: Cross multiply
    100,725,506.45x = 151,088,259.68 × 70,114,504.85
  4. Step 4: Simplify right side
    100,725,506.45x = 10,593,478,515,760,846
  5. Step 5: Solve for x
    x = 10,593,478,515,760,846/100,725,506.45
  6. Step 6: Final answer
    x = 105,171,757.28

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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.