Home / 76,723,630.72-115,142,078.40-36,334,049.92

Finding the Fourth Proportional to 76,723,630.72, 115,142,078.40 and 36,334,049.92

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Solution

The fourth proportional to 76,723,630.72, 115,142,078.40 and 36,334,049.92 is: 54,527,894.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,723,630.72 : 115,142,078.40 = 36,334,049.92 : x
  2. Step 2: Convert to fraction form
    76,723,630.72/115,142,078.40 = 36,334,049.92/x
  3. Step 3: Cross multiply
    76,723,630.72x = 115,142,078.40 × 36,334,049.92
  4. Step 4: Simplify right side
    76,723,630.72x = 4,183,578,024,478,154
  5. Step 5: Solve for x
    x = 4,183,578,024,478,154/76,723,630.72
  6. Step 6: Final answer
    x = 54,527,894.28

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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.