Home / 85,717,451,288.73-118,296,699,803.49-51,424,442,207.85

Finding the Fourth Proportional to 85,717,451,288.73, 118,296,699,803.49 and 51,424,442,207.85

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Solution

The fourth proportional to 85,717,451,288.73, 118,296,699,803.49 and 51,424,442,207.85 is: 70,969,699,996.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,717,451,288.73 : 118,296,699,803.49 = 51,424,442,207.85 : x
  2. Step 2: Convert to fraction form
    85,717,451,288.73/118,296,699,803.49 = 51,424,442,207.85/x
  3. Step 3: Cross multiply
    85,717,451,288.73x = 118,296,699,803.49 × 51,424,442,207.85
  4. Step 4: Simplify right side
    85,717,451,288.73x = 6,083,341,802,423,951,818,752
  5. Step 5: Solve for x
    x = 6,083,341,802,423,951,818,752/85,717,451,288.73
  6. Step 6: Final answer
    x = 70,969,699,996.48

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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.