Home / 68,639,058.44-94,698,853.31-38,865,636.83

Finding the Fourth Proportional to 68,639,058.44, 94,698,853.31 and 38,865,636.83

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Solution

The fourth proportional to 68,639,058.44, 94,698,853.31 and 38,865,636.83 is: 53,621,528.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,639,058.44 : 94,698,853.31 = 38,865,636.83 : x
  2. Step 2: Convert to fraction form
    68,639,058.44/94,698,853.31 = 38,865,636.83/x
  3. Step 3: Cross multiply
    68,639,058.44x = 94,698,853.31 × 38,865,636.83
  4. Step 4: Simplify right side
    68,639,058.44x = 3,680,531,240,963,903.50
  5. Step 5: Solve for x
    x = 3,680,531,240,963,903.50/68,639,058.44
  6. Step 6: Final answer
    x = 53,621,528.68

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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.