Home / 140,648,720.48-210,964,909.44-42,278,302.88

Finding the Fourth Proportional to 140,648,720.48, 210,964,909.44 and 42,278,302.88

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Solution

The fourth proportional to 140,648,720.48, 210,964,909.44 and 42,278,302.88 is: 63,414,998.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,648,720.48 : 210,964,909.44 = 42,278,302.88 : x
  2. Step 2: Convert to fraction form
    140,648,720.48/210,964,909.44 = 42,278,302.88/x
  3. Step 3: Cross multiply
    140,648,720.48x = 210,964,909.44 × 42,278,302.88
  4. Step 4: Simplify right side
    140,648,720.48x = 8,919,238,338,356,092
  5. Step 5: Solve for x
    x = 8,919,238,338,356,092/140,648,720.48
  6. Step 6: Final answer
    x = 63,414,998.07

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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.