Home / 75,212,045.91-103,754,424.42-49,121,835.75

Finding the Fourth Proportional to 75,212,045.91, 103,754,424.42 and 49,121,835.75

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Solution

The fourth proportional to 75,212,045.91, 103,754,424.42 and 49,121,835.75 is: 67,763,185.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,212,045.91 : 103,754,424.42 = 49,121,835.75 : x
  2. Step 2: Convert to fraction form
    75,212,045.91/103,754,424.42 = 49,121,835.75/x
  3. Step 3: Cross multiply
    75,212,045.91x = 103,754,424.42 × 49,121,835.75
  4. Step 4: Simplify right side
    75,212,045.91x = 5,096,607,794,695,029
  5. Step 5: Solve for x
    x = 5,096,607,794,695,029/75,212,045.91
  6. Step 6: Final answer
    x = 67,763,185.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.