Home / 178,727,430.48-268,093,819.98-68,069,211.80

Finding the Fourth Proportional to 178,727,430.48, 268,093,819.98 and 68,069,211.80

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Solution

The fourth proportional to 178,727,430.48, 268,093,819.98 and 68,069,211.80 is: 102,104,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,727,430.48 : 268,093,819.98 = 68,069,211.80 : x
  2. Step 2: Convert to fraction form
    178,727,430.48/268,093,819.98 = 68,069,211.80/x
  3. Step 3: Cross multiply
    178,727,430.48x = 268,093,819.98 × 68,069,211.80
  4. Step 4: Simplify right side
    178,727,430.48x = 18,248,935,014,489,692
  5. Step 5: Solve for x
    x = 18,248,935,014,489,692/178,727,430.48
  6. Step 6: Final answer
    x = 102,104,836.20

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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.