Home / 218,485,918.56-327,499,953.12-101,805,077.28

Finding the Fourth Proportional to 218,485,918.56, 327,499,953.12 and 101,805,077.28

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Solution

The fourth proportional to 218,485,918.56, 327,499,953.12 and 101,805,077.28 is: 152,600,946.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,485,918.56 : 327,499,953.12 = 101,805,077.28 : x
  2. Step 2: Convert to fraction form
    218,485,918.56/327,499,953.12 = 101,805,077.28/x
  3. Step 3: Cross multiply
    218,485,918.56x = 327,499,953.12 × 101,805,077.28
  4. Step 4: Simplify right side
    218,485,918.56x = 33,341,158,036,577,976
  5. Step 5: Solve for x
    x = 33,341,158,036,577,976/218,485,918.56
  6. Step 6: Final answer
    x = 152,600,946.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.