Home / 309,143,994.93-463,945,874.58-124,913,072.97

Finding the Fourth Proportional to 309,143,994.93, 463,945,874.58 and 124,913,072.97

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Solution

The fourth proportional to 309,143,994.93, 463,945,874.58 and 124,913,072.97 is: 187,462,495.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,143,994.93 : 463,945,874.58 = 124,913,072.97 : x
  2. Step 2: Convert to fraction form
    309,143,994.93/463,945,874.58 = 124,913,072.97/x
  3. Step 3: Cross multiply
    309,143,994.93x = 463,945,874.58 × 124,913,072.97
  4. Step 4: Simplify right side
    309,143,994.93x = 57,952,904,885,542,008
  5. Step 5: Solve for x
    x = 57,952,904,885,542,008/309,143,994.93
  6. Step 6: Final answer
    x = 187,462,495.91

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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.