Home / 315,181,043.52-472,395,431.51-146,693,089.86

Finding the Fourth Proportional to 315,181,043.52, 472,395,431.51 and 146,693,089.86

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Solution

The fourth proportional to 315,181,043.52, 472,395,431.51 and 146,693,089.86 is: 219,864,572.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,181,043.52 : 472,395,431.51 = 146,693,089.86 : x
  2. Step 2: Convert to fraction form
    315,181,043.52/472,395,431.51 = 146,693,089.86/x
  3. Step 3: Cross multiply
    315,181,043.52x = 472,395,431.51 × 146,693,089.86
  4. Step 4: Simplify right side
    315,181,043.52x = 69,297,145,483,949,912
  5. Step 5: Solve for x
    x = 69,297,145,483,949,912/315,181,043.52
  6. Step 6: Final answer
    x = 219,864,572.79

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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.