Home / 268,019,904.30-402,029,856.45-214,272,192.30

Finding the Fourth Proportional to 268,019,904.30, 402,029,856.45 and 214,272,192.30

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Solution

The fourth proportional to 268,019,904.30, 402,029,856.45 and 214,272,192.30 is: 321,408,288.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,019,904.30 : 402,029,856.45 = 214,272,192.30 : x
  2. Step 2: Convert to fraction form
    268,019,904.30/402,029,856.45 = 214,272,192.30/x
  3. Step 3: Cross multiply
    268,019,904.30x = 402,029,856.45 × 214,272,192.30
  4. Step 4: Simplify right side
    268,019,904.30x = 86,143,818,711,595,792
  5. Step 5: Solve for x
    x = 86,143,818,711,595,792/268,019,904.30
  6. Step 6: Final answer
    x = 321,408,288.45

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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.