Home / 253,596,534.40-380,394,801.60-92,017,475.20

Finding the Fourth Proportional to 253,596,534.40, 380,394,801.60 and 92,017,475.20

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Solution

The fourth proportional to 253,596,534.40, 380,394,801.60 and 92,017,475.20 is: 138,026,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,596,534.40 : 380,394,801.60 = 92,017,475.20 : x
  2. Step 2: Convert to fraction form
    253,596,534.40/380,394,801.60 = 92,017,475.20/x
  3. Step 3: Cross multiply
    253,596,534.40x = 380,394,801.60 × 92,017,475.20
  4. Step 4: Simplify right side
    253,596,534.40x = 35,002,969,222,436,924
  5. Step 5: Solve for x
    x = 35,002,969,222,436,924/253,596,534.40
  6. Step 6: Final answer
    x = 138,026,212.80

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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.