Home / 253,698,605.28-350,153,174.88-165,439,375.20

Finding the Fourth Proportional to 253,698,605.28, 350,153,174.88 and 165,439,375.20

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Solution

The fourth proportional to 253,698,605.28, 350,153,174.88 and 165,439,375.20 is: 228,338,356.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,698,605.28 : 350,153,174.88 = 165,439,375.20 : x
  2. Step 2: Convert to fraction form
    253,698,605.28/350,153,174.88 = 165,439,375.20/x
  3. Step 3: Cross multiply
    253,698,605.28x = 350,153,174.88 × 165,439,375.20
  4. Step 4: Simplify right side
    253,698,605.28x = 57,929,122,476,443,528
  5. Step 5: Solve for x
    x = 57,929,122,476,443,528/253,698,605.28
  6. Step 6: Final answer
    x = 228,338,356.11

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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.