Home / 101,118,080.30-151,420,512.45-55,628,480.30

Finding the Fourth Proportional to 101,118,080.30, 151,420,512.45 and 55,628,480.30

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Solution

The fourth proportional to 101,118,080.30, 151,420,512.45 and 55,628,480.30 is: 83,301,551.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,118,080.30 : 151,420,512.45 = 55,628,480.30 : x
  2. Step 2: Convert to fraction form
    101,118,080.30/151,420,512.45 = 55,628,480.30/x
  3. Step 3: Cross multiply
    101,118,080.30x = 151,420,512.45 × 55,628,480.30
  4. Step 4: Simplify right side
    101,118,080.30x = 8,423,292,993,840,729
  5. Step 5: Solve for x
    x = 8,423,292,993,840,729/101,118,080.30
  6. Step 6: Final answer
    x = 83,301,551.70

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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.