Home / 91,780,908.20-137,630,962.94-48,640,004.05

Finding the Fourth Proportional to 91,780,908.20, 137,630,962.94 and 48,640,004.05

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Solution

The fourth proportional to 91,780,908.20, 137,630,962.94 and 48,640,004.05 is: 72,938,596.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,780,908.20 : 137,630,962.94 = 48,640,004.05 : x
  2. Step 2: Convert to fraction form
    91,780,908.20/137,630,962.94 = 48,640,004.05/x
  3. Step 3: Cross multiply
    91,780,908.20x = 137,630,962.94 × 48,640,004.05
  4. Step 4: Simplify right side
    91,780,908.20x = 6,694,370,594,118,845
  5. Step 5: Solve for x
    x = 6,694,370,594,118,845/91,780,908.20
  6. Step 6: Final answer
    x = 72,938,596.11

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.