Home / 353,376,010.60-530,064,015.90-137,965,258.60

Finding the Fourth Proportional to 353,376,010.60, 530,064,015.90 and 137,965,258.60

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Solution

The fourth proportional to 353,376,010.60, 530,064,015.90 and 137,965,258.60 is: 206,947,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,376,010.60 : 530,064,015.90 = 137,965,258.60 : x
  2. Step 2: Convert to fraction form
    353,376,010.60/530,064,015.90 = 137,965,258.60/x
  3. Step 3: Cross multiply
    353,376,010.60x = 530,064,015.90 × 137,965,258.60
  4. Step 4: Simplify right side
    353,376,010.60x = 73,130,419,028,198,000
  5. Step 5: Solve for x
    x = 73,130,419,028,198,000/353,376,010.60
  6. Step 6: Final answer
    x = 206,947,887.90

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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.