Home / 110,639,391.40-165,959,087.10-53,243,763.40

Finding the Fourth Proportional to 110,639,391.40, 165,959,087.10 and 53,243,763.40

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Solution

The fourth proportional to 110,639,391.40, 165,959,087.10 and 53,243,763.40 is: 79,865,645.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,639,391.40 : 165,959,087.10 = 53,243,763.40 : x
  2. Step 2: Convert to fraction form
    110,639,391.40/165,959,087.10 = 53,243,763.40/x
  3. Step 3: Cross multiply
    110,639,391.40x = 165,959,087.10 × 53,243,763.40
  4. Step 4: Simplify right side
    110,639,391.40x = 8,836,286,367,632,392
  5. Step 5: Solve for x
    x = 8,836,286,367,632,392/110,639,391.40
  6. Step 6: Final answer
    x = 79,865,645.10

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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.