Home / 76,610,827.20-114,916,240.80-67,044,889.20

Finding the Fourth Proportional to 76,610,827.20, 114,916,240.80 and 67,044,889.20

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Solution

The fourth proportional to 76,610,827.20, 114,916,240.80 and 67,044,889.20 is: 100,567,333.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,610,827.20 : 114,916,240.80 = 67,044,889.20 : x
  2. Step 2: Convert to fraction form
    76,610,827.20/114,916,240.80 = 67,044,889.20/x
  3. Step 3: Cross multiply
    76,610,827.20x = 114,916,240.80 × 67,044,889.20
  4. Step 4: Simplify right side
    76,610,827.20x = 7,704,546,631,716,520
  5. Step 5: Solve for x
    x = 7,704,546,631,716,520/76,610,827.20
  6. Step 6: Final answer
    x = 100,567,333.80

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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.