Home / 75,666,996.33-104,398,851.56-42,615,685.46

Finding the Fourth Proportional to 75,666,996.33, 104,398,851.56 and 42,615,685.46

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Solution

The fourth proportional to 75,666,996.33, 104,398,851.56 and 42,615,685.46 is: 58,797,478.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,666,996.33 : 104,398,851.56 = 42,615,685.46 : x
  2. Step 2: Convert to fraction form
    75,666,996.33/104,398,851.56 = 42,615,685.46/x
  3. Step 3: Cross multiply
    75,666,996.33x = 104,398,851.56 × 42,615,685.46
  4. Step 4: Simplify right side
    75,666,996.33x = 4,449,028,619,731,118
  5. Step 5: Solve for x
    x = 4,449,028,619,731,118/75,666,996.33
  6. Step 6: Final answer
    x = 58,797,478.89

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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.