Home / 112,770,428.20-169,155,642.30-99,333,500.20

Finding the Fourth Proportional to 112,770,428.20, 169,155,642.30 and 99,333,500.20

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Solution

The fourth proportional to 112,770,428.20, 169,155,642.30 and 99,333,500.20 is: 149,000,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,770,428.20 : 169,155,642.30 = 99,333,500.20 : x
  2. Step 2: Convert to fraction form
    112,770,428.20/169,155,642.30 = 99,333,500.20/x
  3. Step 3: Cross multiply
    112,770,428.20x = 169,155,642.30 × 99,333,500.20
  4. Step 4: Simplify right side
    112,770,428.20x = 16,802,822,028,238,180
  5. Step 5: Solve for x
    x = 16,802,822,028,238,180/112,770,428.20
  6. Step 6: Final answer
    x = 149,000,250.30

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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.