Home / 209,954,010.20-314,931,015.30-88,785,462.20

Finding the Fourth Proportional to 209,954,010.20, 314,931,015.30 and 88,785,462.20

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Solution

The fourth proportional to 209,954,010.20, 314,931,015.30 and 88,785,462.20 is: 133,178,193.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,954,010.20 : 314,931,015.30 = 88,785,462.20 : x
  2. Step 2: Convert to fraction form
    209,954,010.20/314,931,015.30 = 88,785,462.20/x
  3. Step 3: Cross multiply
    209,954,010.20x = 314,931,015.30 × 88,785,462.20
  4. Step 4: Simplify right side
    209,954,010.20x = 27,961,295,754,525,772
  5. Step 5: Solve for x
    x = 27,961,295,754,525,772/209,954,010.20
  6. Step 6: Final answer
    x = 133,178,193.30

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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.