Home / 101,091,339.40-151,637,009.10-36,405,128.20

Finding the Fourth Proportional to 101,091,339.40, 151,637,009.10 and 36,405,128.20

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Solution

The fourth proportional to 101,091,339.40, 151,637,009.10 and 36,405,128.20 is: 54,607,692.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,091,339.40 : 151,637,009.10 = 36,405,128.20 : x
  2. Step 2: Convert to fraction form
    101,091,339.40/151,637,009.10 = 36,405,128.20/x
  3. Step 3: Cross multiply
    101,091,339.40x = 151,637,009.10 × 36,405,128.20
  4. Step 4: Simplify right side
    101,091,339.40x = 5,520,364,756,150,067
  5. Step 5: Solve for x
    x = 5,520,364,756,150,067/101,091,339.40
  6. Step 6: Final answer
    x = 54,607,692.30

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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.