Home / 137,765,333.34-206,648,284.32-129,347,307.90

Finding the Fourth Proportional to 137,765,333.34, 206,648,284.32 and 129,347,307.90

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Solution

The fourth proportional to 137,765,333.34, 206,648,284.32 and 129,347,307.90 is: 194,021,228.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,765,333.34 : 206,648,284.32 = 129,347,307.90 : x
  2. Step 2: Convert to fraction form
    137,765,333.34/206,648,284.32 = 129,347,307.90/x
  3. Step 3: Cross multiply
    137,765,333.34x = 206,648,284.32 × 129,347,307.90
  4. Step 4: Simplify right side
    137,765,333.34x = 26,729,399,258,945,784
  5. Step 5: Solve for x
    x = 26,729,399,258,945,784/137,765,333.34
  6. Step 6: Final answer
    x = 194,021,228.79

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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.