Home / 137,905,718.60-206,858,577.90-120,899,606.60

Finding the Fourth Proportional to 137,905,718.60, 206,858,577.90 and 120,899,606.60

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Solution

The fourth proportional to 137,905,718.60, 206,858,577.90 and 120,899,606.60 is: 181,349,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,905,718.60 : 206,858,577.90 = 120,899,606.60 : x
  2. Step 2: Convert to fraction form
    137,905,718.60/206,858,577.90 = 120,899,606.60/x
  3. Step 3: Cross multiply
    137,905,718.60x = 206,858,577.90 × 120,899,606.60
  4. Step 4: Simplify right side
    137,905,718.60x = 25,009,120,689,945,452
  5. Step 5: Solve for x
    x = 25,009,120,689,945,452/137,905,718.60
  6. Step 6: Final answer
    x = 181,349,409.90

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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.