Home / 293,419,459.20-440,129,188.80-207,326,017.20

Finding the Fourth Proportional to 293,419,459.20, 440,129,188.80 and 207,326,017.20

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Solution

The fourth proportional to 293,419,459.20, 440,129,188.80 and 207,326,017.20 is: 310,989,025.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,419,459.20 : 440,129,188.80 = 207,326,017.20 : x
  2. Step 2: Convert to fraction form
    293,419,459.20/440,129,188.80 = 207,326,017.20/x
  3. Step 3: Cross multiply
    293,419,459.20x = 440,129,188.80 × 207,326,017.20
  4. Step 4: Simplify right side
    293,419,459.20x = 91,250,231,767,370,848
  5. Step 5: Solve for x
    x = 91,250,231,767,370,848/293,419,459.20
  6. Step 6: Final answer
    x = 310,989,025.80

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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.