Home / 65,182,631.20-89,929,784.16-40,393,773.35

Finding the Fourth Proportional to 65,182,631.20, 89,929,784.16 and 40,393,773.35

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Solution

The fourth proportional to 65,182,631.20, 89,929,784.16 and 40,393,773.35 is: 55,729,620.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,182,631.20 : 89,929,784.16 = 40,393,773.35 : x
  2. Step 2: Convert to fraction form
    65,182,631.20/89,929,784.16 = 40,393,773.35/x
  3. Step 3: Cross multiply
    65,182,631.20x = 89,929,784.16 × 40,393,773.35
  4. Step 4: Simplify right side
    65,182,631.20x = 3,632,603,318,773,460
  5. Step 5: Solve for x
    x = 3,632,603,318,773,460/65,182,631.20
  6. Step 6: Final answer
    x = 55,729,620.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.