Home / 347,633,958.30-521,520,921.45-101,990,118.30

Finding the Fourth Proportional to 347,633,958.30, 521,520,921.45 and 101,990,118.30

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Solution

The fourth proportional to 347,633,958.30, 521,520,921.45 and 101,990,118.30 is: 153,005,709.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,633,958.30 : 521,520,921.45 = 101,990,118.30 : x
  2. Step 2: Convert to fraction form
    347,633,958.30/521,520,921.45 = 101,990,118.30/x
  3. Step 3: Cross multiply
    347,633,958.30x = 521,520,921.45 × 101,990,118.30
  4. Step 4: Simplify right side
    347,633,958.30x = 53,189,980,474,610,504
  5. Step 5: Solve for x
    x = 53,189,980,474,610,504/347,633,958.30
  6. Step 6: Final answer
    x = 153,005,709.61

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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.