Home / 223,128,496.80-334,692,745.20-187,415,661.60

Finding the Fourth Proportional to 223,128,496.80, 334,692,745.20 and 187,415,661.60

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Solution

The fourth proportional to 223,128,496.80, 334,692,745.20 and 187,415,661.60 is: 281,123,492.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,128,496.80 : 334,692,745.20 = 187,415,661.60 : x
  2. Step 2: Convert to fraction form
    223,128,496.80/334,692,745.20 = 187,415,661.60/x
  3. Step 3: Cross multiply
    223,128,496.80x = 334,692,745.20 × 187,415,661.60
  4. Step 4: Simplify right side
    223,128,496.80x = 62,726,662,274,378,224
  5. Step 5: Solve for x
    x = 62,726,662,274,378,224/223,128,496.80
  6. Step 6: Final answer
    x = 281,123,492.40

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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.