Home / 87,939,007.35-131,908,511.03-64,980,756.15

Finding the Fourth Proportional to 87,939,007.35, 131,908,511.03 and 64,980,756.15

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Solution

The fourth proportional to 87,939,007.35, 131,908,511.03 and 64,980,756.15 is: 97,471,134.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,939,007.35 : 131,908,511.03 = 64,980,756.15 : x
  2. Step 2: Convert to fraction form
    87,939,007.35/131,908,511.03 = 64,980,756.15/x
  3. Step 3: Cross multiply
    87,939,007.35x = 131,908,511.03 × 64,980,756.15
  4. Step 4: Simplify right side
    87,939,007.35x = 8,571,514,789,025,112
  5. Step 5: Solve for x
    x = 8,571,514,789,025,112/87,939,007.35
  6. Step 6: Final answer
    x = 97,471,134.23

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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.