Home / 364,525,825.53-502,991,524.86-221,397,107.15

Finding the Fourth Proportional to 364,525,825.53, 502,991,524.86 and 221,397,107.15

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Solution

The fourth proportional to 364,525,825.53, 502,991,524.86 and 221,397,107.15 is: 305,495,141.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,525,825.53 : 502,991,524.86 = 221,397,107.15 : x
  2. Step 2: Convert to fraction form
    364,525,825.53/502,991,524.86 = 221,397,107.15/x
  3. Step 3: Cross multiply
    364,525,825.53x = 502,991,524.86 × 221,397,107.15
  4. Step 4: Simplify right side
    364,525,825.53x = 111,360,868,525,172,800
  5. Step 5: Solve for x
    x = 111,360,868,525,172,800/364,525,825.53
  6. Step 6: Final answer
    x = 305,495,141.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.