Home / 178,733,704.90-268,100,557.35-126,581,628.10

Finding the Fourth Proportional to 178,733,704.90, 268,100,557.35 and 126,581,628.10

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Solution

The fourth proportional to 178,733,704.90, 268,100,557.35 and 126,581,628.10 is: 189,872,442.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,733,704.90 : 268,100,557.35 = 126,581,628.10 : x
  2. Step 2: Convert to fraction form
    178,733,704.90/268,100,557.35 = 126,581,628.10/x
  3. Step 3: Cross multiply
    178,733,704.90x = 268,100,557.35 × 126,581,628.10
  4. Step 4: Simplify right side
    178,733,704.90x = 33,936,605,043,880,420
  5. Step 5: Solve for x
    x = 33,936,605,043,880,420/178,733,704.90
  6. Step 6: Final answer
    x = 189,872,442.15

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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.