Home / 140,648,712.48-210,964,897.44-42,278,294.88

Finding the Fourth Proportional to 140,648,712.48, 210,964,897.44 and 42,278,294.88

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Solution

The fourth proportional to 140,648,712.48, 210,964,897.44 and 42,278,294.88 is: 63,414,986.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,648,712.48 : 210,964,897.44 = 42,278,294.88 : x
  2. Step 2: Convert to fraction form
    140,648,712.48/210,964,897.44 = 42,278,294.88/x
  3. Step 3: Cross multiply
    140,648,712.48x = 210,964,897.44 × 42,278,294.88
  4. Step 4: Simplify right side
    140,648,712.48x = 8,919,236,143,297,278
  5. Step 5: Solve for x
    x = 8,919,236,143,297,278/140,648,712.48
  6. Step 6: Final answer
    x = 63,414,986.07

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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.