Home / 114,512,920.40-171,657,406.20-102,419,685.20

Finding the Fourth Proportional to 114,512,920.40, 171,657,406.20 and 102,419,685.20

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Solution

The fourth proportional to 114,512,920.40, 171,657,406.20 and 102,419,685.20 is: 153,529,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,512,920.40 : 171,657,406.20 = 102,419,685.20 : x
  2. Step 2: Convert to fraction form
    114,512,920.40/171,657,406.20 = 102,419,685.20/x
  3. Step 3: Cross multiply
    114,512,920.40x = 171,657,406.20 × 102,419,685.20
  4. Step 4: Simplify right side
    114,512,920.40x = 17,581,097,505,252,528
  5. Step 5: Solve for x
    x = 17,581,097,505,252,528/114,512,920.40
  6. Step 6: Final answer
    x = 153,529,378.55

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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.