Home / 201,408,239,258.28-301,963,420,758.46-121,802,091,131.16

Finding the Fourth Proportional to 201,408,239,258.28, 301,963,420,758.46 and 121,802,091,131.16

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Solution

The fourth proportional to 201,408,239,258.28, 301,963,420,758.46 and 121,802,091,131.16 is: 182,613,066,024.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,408,239,258.28 : 301,963,420,758.46 = 121,802,091,131.16 : x
  2. Step 2: Convert to fraction form
    201,408,239,258.28/301,963,420,758.46 = 121,802,091,131.16/x
  3. Step 3: Cross multiply
    201,408,239,258.28x = 301,963,420,758.46 × 121,802,091,131.16
  4. Step 4: Simplify right side
    201,408,239,258.28x = 36,779,776,093,498,762,067,968
  5. Step 5: Solve for x
    x = 36,779,776,093,498,762,067,968/201,408,239,258.28
  6. Step 6: Final answer
    x = 182,613,066,024.24

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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.