Home / 262,253,920.40-393,380,880.60-193,379,166.80

Finding the Fourth Proportional to 262,253,920.40, 393,380,880.60 and 193,379,166.80

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Solution

The fourth proportional to 262,253,920.40, 393,380,880.60 and 193,379,166.80 is: 290,068,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,253,920.40 : 393,380,880.60 = 193,379,166.80 : x
  2. Step 2: Convert to fraction form
    262,253,920.40/393,380,880.60 = 193,379,166.80/x
  3. Step 3: Cross multiply
    262,253,920.40x = 393,380,880.60 × 193,379,166.80
  4. Step 4: Simplify right side
    262,253,920.40x = 76,071,666,925,478,288
  5. Step 5: Solve for x
    x = 76,071,666,925,478,288/262,253,920.40
  6. Step 6: Final answer
    x = 290,068,750.20

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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.