Home / 78,466,757,223.32-117,604,514,903.50-40,672,496,231.90

Finding the Fourth Proportional to 78,466,757,223.32, 117,604,514,903.50 and 40,672,496,231.90

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Solution

The fourth proportional to 78,466,757,223.32, 117,604,514,903.50 and 40,672,496,231.90 is: 60,959,180,148.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,466,757,223.32 : 117,604,514,903.50 = 40,672,496,231.90 : x
  2. Step 2: Convert to fraction form
    78,466,757,223.32/117,604,514,903.50 = 40,672,496,231.90/x
  3. Step 3: Cross multiply
    78,466,757,223.32x = 117,604,514,903.50 × 40,672,496,231.90
  4. Step 4: Simplify right side
    78,466,757,223.32x = 4,783,269,189,267,031,588,864
  5. Step 5: Solve for x
    x = 4,783,269,189,267,031,588,864/78,466,757,223.32
  6. Step 6: Final answer
    x = 60,959,180,148.78

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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.