Home / 125,902,060.20-188,797,103.10-57,765,637.80

Finding the Fourth Proportional to 125,902,060.20, 188,797,103.10 and 57,765,637.80

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Solution

The fourth proportional to 125,902,060.20, 188,797,103.10 and 57,765,637.80 is: 86,622,768.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,902,060.20 : 188,797,103.10 = 57,765,637.80 : x
  2. Step 2: Convert to fraction form
    125,902,060.20/188,797,103.10 = 57,765,637.80/x
  3. Step 3: Cross multiply
    125,902,060.20x = 188,797,103.10 × 57,765,637.80
  4. Step 4: Simplify right side
    125,902,060.20x = 10,905,985,075,363,856
  5. Step 5: Solve for x
    x = 10,905,985,075,363,856/125,902,060.20
  6. Step 6: Final answer
    x = 86,622,768.98

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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.