Home / 321,932,983.20-482,899,474.80-117,393,079.20

Finding the Fourth Proportional to 321,932,983.20, 482,899,474.80 and 117,393,079.20

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Solution

The fourth proportional to 321,932,983.20, 482,899,474.80 and 117,393,079.20 is: 176,089,618.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,932,983.20 : 482,899,474.80 = 117,393,079.20 : x
  2. Step 2: Convert to fraction form
    321,932,983.20/482,899,474.80 = 117,393,079.20/x
  3. Step 3: Cross multiply
    321,932,983.20x = 482,899,474.80 × 117,393,079.20
  4. Step 4: Simplify right side
    321,932,983.20x = 56,689,056,290,834,808
  5. Step 5: Solve for x
    x = 56,689,056,290,834,808/321,932,983.20
  6. Step 6: Final answer
    x = 176,089,618.80

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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.