Home / 279,944,673.40-419,917,010.10-98,210,222.20

Finding the Fourth Proportional to 279,944,673.40, 419,917,010.10 and 98,210,222.20

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Solution

The fourth proportional to 279,944,673.40, 419,917,010.10 and 98,210,222.20 is: 147,315,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,944,673.40 : 419,917,010.10 = 98,210,222.20 : x
  2. Step 2: Convert to fraction form
    279,944,673.40/419,917,010.10 = 98,210,222.20/x
  3. Step 3: Cross multiply
    279,944,673.40x = 419,917,010.10 × 98,210,222.20
  4. Step 4: Simplify right side
    279,944,673.40x = 41,240,142,867,480,648
  5. Step 5: Solve for x
    x = 41,240,142,867,480,648/279,944,673.40
  6. Step 6: Final answer
    x = 147,315,333.30

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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.