Home / 347,635,772.80-521,523,643.20-101,991,932.80

Finding the Fourth Proportional to 347,635,772.80, 521,523,643.20 and 101,991,932.80

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Solution

The fourth proportional to 347,635,772.80, 521,523,643.20 and 101,991,932.80 is: 153,008,431.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,635,772.80 : 521,523,643.20 = 101,991,932.80 : x
  2. Step 2: Convert to fraction form
    347,635,772.80/521,523,643.20 = 101,991,932.80/x
  3. Step 3: Cross multiply
    347,635,772.80x = 521,523,643.20 × 101,991,932.80
  4. Step 4: Simplify right side
    347,635,772.80x = 53,191,204,370,865,576
  5. Step 5: Solve for x
    x = 53,191,204,370,865,576/347,635,772.80
  6. Step 6: Final answer
    x = 153,008,431.62

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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.