Home / 91,346,497.31-126,058,031.39-49,530,486.63

Finding the Fourth Proportional to 91,346,497.31, 126,058,031.39 and 49,530,486.63

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Solution

The fourth proportional to 91,346,497.31, 126,058,031.39 and 49,530,486.63 is: 68,351,998.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,346,497.31 : 126,058,031.39 = 49,530,486.63 : x
  2. Step 2: Convert to fraction form
    91,346,497.31/126,058,031.39 = 49,530,486.63/x
  3. Step 3: Cross multiply
    91,346,497.31x = 126,058,031.39 × 49,530,486.63
  4. Step 4: Simplify right side
    91,346,497.31x = 6,243,715,638,118,863
  5. Step 5: Solve for x
    x = 6,243,715,638,118,863/91,346,497.31
  6. Step 6: Final answer
    x = 68,351,998.41

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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.