Home / 92,715,427.20-139,091,803.20-77,673,532.80

Finding the Fourth Proportional to 92,715,427.20, 139,091,803.20 and 77,673,532.80

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Solution

The fourth proportional to 92,715,427.20, 139,091,803.20 and 77,673,532.80 is: 116,525,933.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,715,427.20 : 139,091,803.20 = 77,673,532.80 : x
  2. Step 2: Convert to fraction form
    92,715,427.20/139,091,803.20 = 77,673,532.80/x
  3. Step 3: Cross multiply
    92,715,427.20x = 139,091,803.20 × 77,673,532.80
  4. Step 4: Simplify right side
    92,715,427.20x = 10,803,751,738,066,344
  5. Step 5: Solve for x
    x = 10,803,751,738,066,344/92,715,427.20
  6. Step 6: Final answer
    x = 116,525,933.86

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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.