Home / 347,422,402.67-521,234,468.37-140,053,796.42

Finding the Fourth Proportional to 347,422,402.67, 521,234,468.37 and 140,053,796.42

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Solution

The fourth proportional to 347,422,402.67, 521,234,468.37 and 140,053,796.42 is: 210,121,355.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,422,402.67 : 521,234,468.37 = 140,053,796.42 : x
  2. Step 2: Convert to fraction form
    347,422,402.67/521,234,468.37 = 140,053,796.42/x
  3. Step 3: Cross multiply
    347,422,402.67x = 521,234,468.37 × 140,053,796.42
  4. Step 4: Simplify right side
    347,422,402.67x = 73,000,866,117,572,736
  5. Step 5: Solve for x
    x = 73,000,866,117,572,736/347,422,402.67
  6. Step 6: Final answer
    x = 210,121,355.32

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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.