Home / 114,512,855.40-171,657,308.70-102,419,620.20

Finding the Fourth Proportional to 114,512,855.40, 171,657,308.70 and 102,419,620.20

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Solution

The fourth proportional to 114,512,855.40, 171,657,308.70 and 102,419,620.20 is: 153,529,281.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,512,855.40 : 171,657,308.70 = 102,419,620.20 : x
  2. Step 2: Convert to fraction form
    114,512,855.40/171,657,308.70 = 102,419,620.20/x
  3. Step 3: Cross multiply
    114,512,855.40x = 171,657,308.70 × 102,419,620.20
  4. Step 4: Simplify right side
    114,512,855.40x = 17,581,076,361,608,156
  5. Step 5: Solve for x
    x = 17,581,076,361,608,156/114,512,855.40
  6. Step 6: Final answer
    x = 153,529,281.06

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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.