Home / 315,181,045.02-472,395,433.76-146,693,091.36

Finding the Fourth Proportional to 315,181,045.02, 472,395,433.76 and 146,693,091.36

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Solution

The fourth proportional to 315,181,045.02, 472,395,433.76 and 146,693,091.36 is: 219,864,575.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,181,045.02 : 472,395,433.76 = 146,693,091.36 : x
  2. Step 2: Convert to fraction form
    315,181,045.02/472,395,433.76 = 146,693,091.36/x
  3. Step 3: Cross multiply
    315,181,045.02x = 472,395,433.76 × 146,693,091.36
  4. Step 4: Simplify right side
    315,181,045.02x = 69,297,146,522,602,512
  5. Step 5: Solve for x
    x = 69,297,146,522,602,512/315,181,045.02
  6. Step 6: Final answer
    x = 219,864,575.04

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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.