Home / 293,543,886.06-405,090,822.06-161,387,130.78

Finding the Fourth Proportional to 293,543,886.06, 405,090,822.06 and 161,387,130.78

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Solution

The fourth proportional to 293,543,886.06, 405,090,822.06 and 161,387,130.78 is: 222,714,383.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,543,886.06 : 405,090,822.06 = 161,387,130.78 : x
  2. Step 2: Convert to fraction form
    293,543,886.06/405,090,822.06 = 161,387,130.78/x
  3. Step 3: Cross multiply
    293,543,886.06x = 405,090,822.06 × 161,387,130.78
  4. Step 4: Simplify right side
    293,543,886.06x = 65,376,445,477,574,928
  5. Step 5: Solve for x
    x = 65,376,445,477,574,928/293,543,886.06
  6. Step 6: Final answer
    x = 222,714,383.04

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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.