Home / 77,532,165.20-116,172,276.60-64,683,102.80

Finding the Fourth Proportional to 77,532,165.20, 116,172,276.60 and 64,683,102.80

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Solution

The fourth proportional to 77,532,165.20, 116,172,276.60 and 64,683,102.80 is: 96,919,559.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,532,165.20 : 116,172,276.60 = 64,683,102.80 : x
  2. Step 2: Convert to fraction form
    77,532,165.20/116,172,276.60 = 64,683,102.80/x
  3. Step 3: Cross multiply
    77,532,165.20x = 116,172,276.60 × 64,683,102.80
  4. Step 4: Simplify right side
    77,532,165.20x = 7,514,383,309,827,834
  5. Step 5: Solve for x
    x = 7,514,383,309,827,834/77,532,165.20
  6. Step 6: Final answer
    x = 96,919,559.65

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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.