Home / 141,961,958.40-212,942,246.40-55,639,372.80

Finding the Fourth Proportional to 141,961,958.40, 212,942,246.40 and 55,639,372.80

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Solution

The fourth proportional to 141,961,958.40, 212,942,246.40 and 55,639,372.80 is: 83,458,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,961,958.40 : 212,942,246.40 = 55,639,372.80 : x
  2. Step 2: Convert to fraction form
    141,961,958.40/212,942,246.40 = 55,639,372.80/x
  3. Step 3: Cross multiply
    141,961,958.40x = 212,942,246.40 × 55,639,372.80
  4. Step 4: Simplify right side
    141,961,958.40x = 11,847,973,032,319,058
  5. Step 5: Solve for x
    x = 11,847,973,032,319,058/141,961,958.40
  6. Step 6: Final answer
    x = 83,458,788.30

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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.