Home / 207,630,334.65-311,445,501.98-100,134,910.65

Finding the Fourth Proportional to 207,630,334.65, 311,445,501.98 and 100,134,910.65

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Solution

The fourth proportional to 207,630,334.65, 311,445,501.98 and 100,134,910.65 is: 150,202,365.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,630,334.65 : 311,445,501.98 = 100,134,910.65 : x
  2. Step 2: Convert to fraction form
    207,630,334.65/311,445,501.98 = 100,134,910.65/x
  3. Step 3: Cross multiply
    207,630,334.65x = 311,445,501.98 × 100,134,910.65
  4. Step 4: Simplify right side
    207,630,334.65x = 31,186,567,512,611,028
  5. Step 5: Solve for x
    x = 31,186,567,512,611,028/207,630,334.65
  6. Step 6: Final answer
    x = 150,202,365.98

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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.