Home / 132,829,142.80-199,393,013.40-102,670,704.40

Finding the Fourth Proportional to 132,829,142.80, 199,393,013.40 and 102,670,704.40

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Solution

The fourth proportional to 132,829,142.80, 199,393,013.40 and 102,670,704.40 is: 154,121,457.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,829,142.80 : 199,393,013.40 = 102,670,704.40 : x
  2. Step 2: Convert to fraction form
    132,829,142.80/199,393,013.40 = 102,670,704.40/x
  3. Step 3: Cross multiply
    132,829,142.80x = 199,393,013.40 × 102,670,704.40
  4. Step 4: Simplify right side
    132,829,142.80x = 20,471,821,138,216,640
  5. Step 5: Solve for x
    x = 20,471,821,138,216,640/132,829,142.80
  6. Step 6: Final answer
    x = 154,121,457.89

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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.