Home / 152,010,523,455.15-209,760,656,998.15-90,200,440,764.57

Finding the Fourth Proportional to 152,010,523,455.15, 209,760,656,998.15 and 90,200,440,764.57

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Solution

The fourth proportional to 152,010,523,455.15, 209,760,656,998.15 and 90,200,440,764.57 is: 124,468,380,782.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,010,523,455.15 : 209,760,656,998.15 = 90,200,440,764.57 : x
  2. Step 2: Convert to fraction form
    152,010,523,455.15/209,760,656,998.15 = 90,200,440,764.57/x
  3. Step 3: Cross multiply
    152,010,523,455.15x = 209,760,656,998.15 × 90,200,440,764.57
  4. Step 4: Simplify right side
    152,010,523,455.15x = 18,920,503,716,298,914,529,280
  5. Step 5: Solve for x
    x = 18,920,503,716,298,914,529,280/152,010,523,455.15
  6. Step 6: Final answer
    x = 124,468,380,782.08

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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.