Home / 220,140,261.40-303,775,503.18-129,599,381.56

Finding the Fourth Proportional to 220,140,261.40, 303,775,503.18 and 129,599,381.56

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Solution

The fourth proportional to 220,140,261.40, 303,775,503.18 and 129,599,381.56 is: 178,836,515.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,140,261.40 : 303,775,503.18 = 129,599,381.56 : x
  2. Step 2: Convert to fraction form
    220,140,261.40/303,775,503.18 = 129,599,381.56/x
  3. Step 3: Cross multiply
    220,140,261.40x = 303,775,503.18 × 129,599,381.56
  4. Step 4: Simplify right side
    220,140,261.40x = 39,369,117,345,205,816
  5. Step 5: Solve for x
    x = 39,369,117,345,205,816/220,140,261.40
  6. Step 6: Final answer
    x = 178,836,515.84

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1.5x scale

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.