Home / 61,485,631,123.28-92,241,025,746.72-21,143,243,394.24

Finding the Fourth Proportional to 61,485,631,123.28, 92,241,025,746.72 and 21,143,243,394.24

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Solution

The fourth proportional to 61,485,631,123.28, 92,241,025,746.72 and 21,143,243,394.24 is: 31,719,190,690.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,485,631,123.28 : 92,241,025,746.72 = 21,143,243,394.24 : x
  2. Step 2: Convert to fraction form
    61,485,631,123.28/92,241,025,746.72 = 21,143,243,394.24/x
  3. Step 3: Cross multiply
    61,485,631,123.28x = 92,241,025,746.72 × 21,143,243,394.24
  4. Step 4: Simplify right side
    61,485,631,123.28x = 1,950,274,458,297,259,524,096
  5. Step 5: Solve for x
    x = 1,950,274,458,297,259,524,096/61,485,631,123.28
  6. Step 6: Final answer
    x = 31,719,190,690.05

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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.