Home / 38,791,808.31-53,489,204.85-31,705,411.03

Finding the Fourth Proportional to 38,791,808.31, 53,489,204.85 and 31,705,411.03

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Solution

The fourth proportional to 38,791,808.31, 53,489,204.85 and 31,705,411.03 is: 43,717,921.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,791,808.31 : 53,489,204.85 = 31,705,411.03 : x
  2. Step 2: Convert to fraction form
    38,791,808.31/53,489,204.85 = 31,705,411.03/x
  3. Step 3: Cross multiply
    38,791,808.31x = 53,489,204.85 × 31,705,411.03
  4. Step 4: Simplify right side
    38,791,808.31x = 1,695,897,225,422,291.75
  5. Step 5: Solve for x
    x = 1,695,897,225,422,291.75/38,791,808.31
  6. Step 6: Final answer
    x = 43,717,921.36

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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.