Home / 315,181,045.14-472,395,433.95-146,693,091.48

Finding the Fourth Proportional to 315,181,045.14, 472,395,433.95 and 146,693,091.48

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Solution

The fourth proportional to 315,181,045.14, 472,395,433.95 and 146,693,091.48 is: 219,864,575.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,181,045.14 : 472,395,433.95 = 146,693,091.48 : x
  2. Step 2: Convert to fraction form
    315,181,045.14/472,395,433.95 = 146,693,091.48/x
  3. Step 3: Cross multiply
    315,181,045.14x = 472,395,433.95 × 146,693,091.48
  4. Step 4: Simplify right side
    315,181,045.14x = 69,297,146,607,161,640
  5. Step 5: Solve for x
    x = 69,297,146,607,161,640/315,181,045.14
  6. Step 6: Final answer
    x = 219,864,575.22

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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.