Home / 85,717,451,285.73-118,296,699,799.34-51,424,442,204.85

Finding the Fourth Proportional to 85,717,451,285.73, 118,296,699,799.34 and 51,424,442,204.85

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Solution

The fourth proportional to 85,717,451,285.73, 118,296,699,799.34 and 51,424,442,204.85 is: 70,969,699,992.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,717,451,285.73 : 118,296,699,799.34 = 51,424,442,204.85 : x
  2. Step 2: Convert to fraction form
    85,717,451,285.73/118,296,699,799.34 = 51,424,442,204.85/x
  3. Step 3: Cross multiply
    85,717,451,285.73x = 118,296,699,799.34 × 51,424,442,204.85
  4. Step 4: Simplify right side
    85,717,451,285.73x = 6,083,341,801,855,649,841,152
  5. Step 5: Solve for x
    x = 6,083,341,801,855,649,841,152/85,717,451,285.73
  6. Step 6: Final answer
    x = 70,969,699,992.33

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Double scale
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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.