Home / 279,907,694.80-386,349,447.96-162,470,859.52

Finding the Fourth Proportional to 279,907,694.80, 386,349,447.96 and 162,470,859.52

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Solution

The fourth proportional to 279,907,694.80, 386,349,447.96 and 162,470,859.52 is: 224,254,381.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,907,694.80 : 386,349,447.96 = 162,470,859.52 : x
  2. Step 2: Convert to fraction form
    279,907,694.80/386,349,447.96 = 162,470,859.52/x
  3. Step 3: Cross multiply
    279,907,694.80x = 386,349,447.96 × 162,470,859.52
  4. Step 4: Simplify right side
    279,907,694.80x = 62,770,526,885,138,712
  5. Step 5: Solve for x
    x = 62,770,526,885,138,712/279,907,694.80
  6. Step 6: Final answer
    x = 224,254,381.18

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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.