Home / 100,725,505.20-151,088,257.80-70,114,503.60

Finding the Fourth Proportional to 100,725,505.20, 151,088,257.80 and 70,114,503.60

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Solution

The fourth proportional to 100,725,505.20, 151,088,257.80 and 70,114,503.60 is: 105,171,755.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,725,505.20 : 151,088,257.80 = 70,114,503.60 : x
  2. Step 2: Convert to fraction form
    100,725,505.20/151,088,257.80 = 70,114,503.60/x
  3. Step 3: Cross multiply
    100,725,505.20x = 151,088,257.80 × 70,114,503.60
  4. Step 4: Simplify right side
    100,725,505.20x = 10,593,478,195,435,828
  5. Step 5: Solve for x
    x = 10,593,478,195,435,828/100,725,505.20
  6. Step 6: Final answer
    x = 105,171,755.40

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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.