Home / 268,832,401.20-402,965,166.60-105,006,855.60

Finding the Fourth Proportional to 268,832,401.20, 402,965,166.60 and 105,006,855.60

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Solution

The fourth proportional to 268,832,401.20, 402,965,166.60 and 105,006,855.60 is: 157,399,572.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,832,401.20 : 402,965,166.60 = 105,006,855.60 : x
  2. Step 2: Convert to fraction form
    268,832,401.20/402,965,166.60 = 105,006,855.60/x
  3. Step 3: Cross multiply
    268,832,401.20x = 402,965,166.60 × 105,006,855.60
  4. Step 4: Simplify right side
    268,832,401.20x = 42,314,105,060,996,144
  5. Step 5: Solve for x
    x = 42,314,105,060,996,144/268,832,401.20
  6. Step 6: Final answer
    x = 157,399,572.64

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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.