Home / 232,608,296.40-320,999,515.72-126,761,740.80

Finding the Fourth Proportional to 232,608,296.40, 320,999,515.72 and 126,761,740.80

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Solution

The fourth proportional to 232,608,296.40, 320,999,515.72 and 126,761,740.80 is: 174,931,238.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,608,296.40 : 320,999,515.72 = 126,761,740.80 : x
  2. Step 2: Convert to fraction form
    232,608,296.40/320,999,515.72 = 126,761,740.80/x
  3. Step 3: Cross multiply
    232,608,296.40x = 320,999,515.72 × 126,761,740.80
  4. Step 4: Simplify right side
    232,608,296.40x = 40,690,457,408,624,168
  5. Step 5: Solve for x
    x = 40,690,457,408,624,168/232,608,296.40
  6. Step 6: Final answer
    x = 174,931,238.65

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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.