Home / 279,907,710.30-386,349,469.38-162,470,875.02

Finding the Fourth Proportional to 279,907,710.30, 386,349,469.38 and 162,470,875.02

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Solution

The fourth proportional to 279,907,710.30, 386,349,469.38 and 162,470,875.02 is: 224,254,402.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,907,710.30 : 386,349,469.38 = 162,470,875.02 : x
  2. Step 2: Convert to fraction form
    279,907,710.30/386,349,469.38 = 162,470,875.02/x
  3. Step 3: Cross multiply
    279,907,710.30x = 386,349,469.38 × 162,470,875.02
  4. Step 4: Simplify right side
    279,907,710.30x = 62,770,536,353,681,304
  5. Step 5: Solve for x
    x = 62,770,536,353,681,304/279,907,710.30
  6. Step 6: Final answer
    x = 224,254,402.59

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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.