Home / 152,010,523,455.72-209,760,656,998.92-90,200,440,765.13

Finding the Fourth Proportional to 152,010,523,455.72, 209,760,656,998.92 and 90,200,440,765.13

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Solution

The fourth proportional to 152,010,523,455.72, 209,760,656,998.92 and 90,200,440,765.13 is: 124,468,380,782.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,010,523,455.72 : 209,760,656,998.92 = 90,200,440,765.13 : x
  2. Step 2: Convert to fraction form
    152,010,523,455.72/209,760,656,998.92 = 90,200,440,765.13/x
  3. Step 3: Cross multiply
    152,010,523,455.72x = 209,760,656,998.92 × 90,200,440,765.13
  4. Step 4: Simplify right side
    152,010,523,455.72x = 18,920,503,716,484,789,305,344
  5. Step 5: Solve for x
    x = 18,920,503,716,484,789,305,344/152,010,523,455.72
  6. Step 6: Final answer
    x = 124,468,380,782.84

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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.