Home / 129,168,522.40-194,022,351.60-109,013,130.40

Finding the Fourth Proportional to 129,168,522.40, 194,022,351.60 and 109,013,130.40

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Solution

The fourth proportional to 129,168,522.40, 194,022,351.60 and 109,013,130.40 is: 163,747,200.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,168,522.40 : 194,022,351.60 = 109,013,130.40 : x
  2. Step 2: Convert to fraction form
    129,168,522.40/194,022,351.60 = 109,013,130.40/x
  3. Step 3: Cross multiply
    129,168,522.40x = 194,022,351.60 × 109,013,130.40
  4. Step 4: Simplify right side
    129,168,522.40x = 21,150,983,915,485,448
  5. Step 5: Solve for x
    x = 21,150,983,915,485,448/129,168,522.40
  6. Step 6: Final answer
    x = 163,747,200.34

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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.