Home / 287,903,796.16-397,297,356.96-164,184,292.48

Finding the Fourth Proportional to 287,903,796.16, 397,297,356.96 and 164,184,292.48

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Solution

The fourth proportional to 287,903,796.16, 397,297,356.96 and 164,184,292.48 is: 226,568,688.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,903,796.16 : 397,297,356.96 = 164,184,292.48 : x
  2. Step 2: Convert to fraction form
    287,903,796.16/397,297,356.96 = 164,184,292.48/x
  3. Step 3: Cross multiply
    287,903,796.16x = 397,297,356.96 × 164,184,292.48
  4. Step 4: Simplify right side
    287,903,796.16x = 65,229,985,456,651,592
  5. Step 5: Solve for x
    x = 65,229,985,456,651,592/287,903,796.16
  6. Step 6: Final answer
    x = 226,568,688.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.