Home / 90,745,618,616.48-125,239,934,859.30-51,647,672,700.16

Finding the Fourth Proportional to 90,745,618,616.48, 125,239,934,859.30 and 51,647,672,700.16

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Solution

The fourth proportional to 90,745,618,616.48, 125,239,934,859.30 and 51,647,672,700.16 is: 71,280,038,234.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,745,618,616.48 : 125,239,934,859.30 = 51,647,672,700.16 : x
  2. Step 2: Convert to fraction form
    90,745,618,616.48/125,239,934,859.30 = 51,647,672,700.16/x
  3. Step 3: Cross multiply
    90,745,618,616.48x = 125,239,934,859.30 × 51,647,672,700.16
  4. Step 4: Simplify right side
    90,745,618,616.48x = 6,468,351,164,602,234,437,632
  5. Step 5: Solve for x
    x = 6,468,351,164,602,234,437,632/90,745,618,616.48
  6. Step 6: Final answer
    x = 71,280,038,234.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.