Home / 91,895,063,678.52-126,815,188,120.42-49,651,881,470.52

Finding the Fourth Proportional to 91,895,063,678.52, 126,815,188,120.42 and 49,651,881,470.52

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Solution

The fourth proportional to 91,895,063,678.52, 126,815,188,120.42 and 49,651,881,470.52 is: 68,519,596,561.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,895,063,678.52 : 126,815,188,120.42 = 49,651,881,470.52 : x
  2. Step 2: Convert to fraction form
    91,895,063,678.52/126,815,188,120.42 = 49,651,881,470.52/x
  3. Step 3: Cross multiply
    91,895,063,678.52x = 126,815,188,120.42 × 49,651,881,470.52
  4. Step 4: Simplify right side
    91,895,063,678.52x = 6,296,612,689,216,789,282,816
  5. Step 5: Solve for x
    x = 6,296,612,689,216,789,282,816/91,895,063,678.52
  6. Step 6: Final answer
    x = 68,519,596,561.19

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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.