Home / 115,260,498.43-172,902,855.74-37,543,458.40

Finding the Fourth Proportional to 115,260,498.43, 172,902,855.74 and 37,543,458.40

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Solution

The fourth proportional to 115,260,498.43, 172,902,855.74 and 37,543,458.40 is: 56,319,131.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,260,498.43 : 172,902,855.74 = 37,543,458.40 : x
  2. Step 2: Convert to fraction form
    115,260,498.43/172,902,855.74 = 37,543,458.40/x
  3. Step 3: Cross multiply
    115,260,498.43x = 172,902,855.74 × 37,543,458.40
  4. Step 4: Simplify right side
    115,260,498.43x = 6,491,371,171,715,891
  5. Step 5: Solve for x
    x = 6,491,371,171,715,891/115,260,498.43
  6. Step 6: Final answer
    x = 56,319,131.53

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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.