Home / 80,238,678,820.70-120,391,010,125.35-35,446,535,515.58

Finding the Fourth Proportional to 80,238,678,820.70, 120,391,010,125.35 and 35,446,535,515.58

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Solution

The fourth proportional to 80,238,678,820.70, 120,391,010,125.35 and 35,446,535,515.58 is: 53,184,377,894.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,238,678,820.70 : 120,391,010,125.35 = 35,446,535,515.58 : x
  2. Step 2: Convert to fraction form
    80,238,678,820.70/120,391,010,125.35 = 35,446,535,515.58/x
  3. Step 3: Cross multiply
    80,238,678,820.70x = 120,391,010,125.35 × 35,446,535,515.58
  4. Step 4: Simplify right side
    80,238,678,820.70x = 4,267,444,216,164,770,643,968
  5. Step 5: Solve for x
    x = 4,267,444,216,164,770,643,968/80,238,678,820.70
  6. Step 6: Final answer
    x = 53,184,377,894.62

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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.