Home / 76,655,596.60-115,016,054.10-40,291,910.20

Finding the Fourth Proportional to 76,655,596.60, 115,016,054.10 and 40,291,910.20

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Solution

The fourth proportional to 76,655,596.60, 115,016,054.10 and 40,291,910.20 is: 60,455,031.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,655,596.60 : 115,016,054.10 = 40,291,910.20 : x
  2. Step 2: Convert to fraction form
    76,655,596.60/115,016,054.10 = 40,291,910.20/x
  3. Step 3: Cross multiply
    76,655,596.60x = 115,016,054.10 × 40,291,910.20
  4. Step 4: Simplify right side
    76,655,596.60x = 4,634,216,523,355,542
  5. Step 5: Solve for x
    x = 4,634,216,523,355,542/76,655,596.60
  6. Step 6: Final answer
    x = 60,455,031.71

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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.