Home / 76,793,727,743.31-105,972,950,848.30-42,497,370,805.57

Finding the Fourth Proportional to 76,793,727,743.31, 105,972,950,848.30 and 42,497,370,805.57

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Solution

The fourth proportional to 76,793,727,743.31, 105,972,950,848.30 and 42,497,370,805.57 is: 58,645,047,192.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,793,727,743.31 : 105,972,950,848.30 = 42,497,370,805.57 : x
  2. Step 2: Convert to fraction form
    76,793,727,743.31/105,972,950,848.30 = 42,497,370,805.57/x
  3. Step 3: Cross multiply
    76,793,727,743.31x = 105,972,950,848.30 × 42,497,370,805.57
  4. Step 4: Simplify right side
    76,793,727,743.31x = 4,503,571,787,561,072,852,992
  5. Step 5: Solve for x
    x = 4,503,571,787,561,072,852,992/76,793,727,743.31
  6. Step 6: Final answer
    x = 58,645,047,192.07

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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.