Home / 124,977,964.69-187,467,569.86-51,242,020.59

Finding the Fourth Proportional to 124,977,964.69, 187,467,569.86 and 51,242,020.59

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Solution

The fourth proportional to 124,977,964.69, 187,467,569.86 and 51,242,020.59 is: 76,863,286.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,977,964.69 : 187,467,569.86 = 51,242,020.59 : x
  2. Step 2: Convert to fraction form
    124,977,964.69/187,467,569.86 = 51,242,020.59/x
  3. Step 3: Cross multiply
    124,977,964.69x = 187,467,569.86 × 51,242,020.59
  4. Step 4: Simplify right side
    124,977,964.69x = 9,606,217,074,723,384
  5. Step 5: Solve for x
    x = 9,606,217,074,723,384/124,977,964.69
  6. Step 6: Final answer
    x = 76,863,286.25

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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.