Home / 178,275,998.40-245,998,149.03-103,917,954.66

Finding the Fourth Proportional to 178,275,998.40, 245,998,149.03 and 103,917,954.66

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Solution

The fourth proportional to 178,275,998.40, 245,998,149.03 and 103,917,954.66 is: 143,393,528.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,275,998.40 : 245,998,149.03 = 103,917,954.66 : x
  2. Step 2: Convert to fraction form
    178,275,998.40/245,998,149.03 = 103,917,954.66/x
  3. Step 3: Cross multiply
    178,275,998.40x = 245,998,149.03 × 103,917,954.66
  4. Step 4: Simplify right side
    178,275,998.40x = 25,563,624,497,343,464
  5. Step 5: Solve for x
    x = 25,563,624,497,343,464/178,275,998.40
  6. Step 6: Final answer
    x = 143,393,528.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.