Home / 81,749,724.08-122,648,255.08-24,243,379.20

Finding the Fourth Proportional to 81,749,724.08, 122,648,255.08 and 24,243,379.20

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Solution

The fourth proportional to 81,749,724.08, 122,648,255.08 and 24,243,379.20 is: 36,372,087.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,749,724.08 : 122,648,255.08 = 24,243,379.20 : x
  2. Step 2: Convert to fraction form
    81,749,724.08/122,648,255.08 = 24,243,379.20/x
  3. Step 3: Cross multiply
    81,749,724.08x = 122,648,255.08 × 24,243,379.20
  4. Step 4: Simplify right side
    81,749,724.08x = 2,973,408,156,062,158
  5. Step 5: Solve for x
    x = 2,973,408,156,062,158/81,749,724.08
  6. Step 6: Final answer
    x = 36,372,087.98

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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.