Home / 75,666,918.48-104,398,744.32-42,615,607.60

Finding the Fourth Proportional to 75,666,918.48, 104,398,744.32 and 42,615,607.60

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Solution

The fourth proportional to 75,666,918.48, 104,398,744.32 and 42,615,607.60 is: 58,797,371.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,666,918.48 : 104,398,744.32 = 42,615,607.60 : x
  2. Step 2: Convert to fraction form
    75,666,918.48/104,398,744.32 = 42,615,607.60/x
  3. Step 3: Cross multiply
    75,666,918.48x = 104,398,744.32 × 42,615,607.60
  4. Step 4: Simplify right side
    75,666,918.48x = 4,449,015,921,873,848.50
  5. Step 5: Solve for x
    x = 4,449,015,921,873,848.50/75,666,918.48
  6. Step 6: Final answer
    x = 58,797,371.58

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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.