Home / 147,109,629.36-203,011,287.24-85,265,839.92

Finding the Fourth Proportional to 147,109,629.36, 203,011,287.24 and 85,265,839.92

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Solution

The fourth proportional to 147,109,629.36, 203,011,287.24 and 85,265,839.92 is: 117,666,858.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,109,629.36 : 203,011,287.24 = 85,265,839.92 : x
  2. Step 2: Convert to fraction form
    147,109,629.36/203,011,287.24 = 85,265,839.92/x
  3. Step 3: Cross multiply
    147,109,629.36x = 203,011,287.24 × 85,265,839.92
  4. Step 4: Simplify right side
    147,109,629.36x = 17,309,927,919,758,980
  5. Step 5: Solve for x
    x = 17,309,927,919,758,980/147,109,629.36
  6. Step 6: Final answer
    x = 117,666,858.35

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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.