Home / 42,687,898.36-58,909,231.60-23,108,781.54

Finding the Fourth Proportional to 42,687,898.36, 58,909,231.60 and 23,108,781.54

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Solution

The fourth proportional to 42,687,898.36, 58,909,231.60 and 23,108,781.54 is: 31,890,081.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,687,898.36 : 58,909,231.60 = 23,108,781.54 : x
  2. Step 2: Convert to fraction form
    42,687,898.36/58,909,231.60 = 23,108,781.54/x
  3. Step 3: Cross multiply
    42,687,898.36x = 58,909,231.60 × 23,108,781.54
  4. Step 4: Simplify right side
    42,687,898.36x = 1,361,320,563,733,664.75
  5. Step 5: Solve for x
    x = 1,361,320,563,733,664.75/42,687,898.36
  6. Step 6: Final answer
    x = 31,890,081.64

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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.