Home / 54,579,954.48-81,739,411.56-31,480,864.80

Finding the Fourth Proportional to 54,579,954.48, 81,739,411.56 and 31,480,864.80

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Solution

The fourth proportional to 54,579,954.48, 81,739,411.56 and 31,480,864.80 is: 47,146,015.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,579,954.48 : 81,739,411.56 = 31,480,864.80 : x
  2. Step 2: Convert to fraction form
    54,579,954.48/81,739,411.56 = 31,480,864.80/x
  3. Step 3: Cross multiply
    54,579,954.48x = 81,739,411.56 × 31,480,864.80
  4. Step 4: Simplify right side
    54,579,954.48x = 2,573,227,364,151,917
  5. Step 5: Solve for x
    x = 2,573,227,364,151,917/54,579,954.48
  6. Step 6: Final answer
    x = 47,146,015.21

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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.