Home / 77,056,267.41-115,566,713.88-45,940,728.96

Finding the Fourth Proportional to 77,056,267.41, 115,566,713.88 and 45,940,728.96

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Solution

The fourth proportional to 77,056,267.41, 115,566,713.88 and 45,940,728.96 is: 68,900,548.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,056,267.41 : 115,566,713.88 = 45,940,728.96 : x
  2. Step 2: Convert to fraction form
    77,056,267.41/115,566,713.88 = 45,940,728.96/x
  3. Step 3: Cross multiply
    77,056,267.41x = 115,566,713.88 × 45,940,728.96
  4. Step 4: Simplify right side
    77,056,267.41x = 5,309,219,079,158,950
  5. Step 5: Solve for x
    x = 5,309,219,079,158,950/77,056,267.41
  6. Step 6: Final answer
    x = 68,900,548.36

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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.