Home / 92,361,972.02-138,520,563.15-38,479,890.74

Finding the Fourth Proportional to 92,361,972.02, 138,520,563.15 and 38,479,890.74

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Solution

The fourth proportional to 92,361,972.02, 138,520,563.15 and 38,479,890.74 is: 57,710,505.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,361,972.02 : 138,520,563.15 = 38,479,890.74 : x
  2. Step 2: Convert to fraction form
    92,361,972.02/138,520,563.15 = 38,479,890.74/x
  3. Step 3: Cross multiply
    92,361,972.02x = 138,520,563.15 × 38,479,890.74
  4. Step 4: Simplify right side
    92,361,972.02x = 5,330,256,135,255,271
  5. Step 5: Solve for x
    x = 5,330,256,135,255,271/92,361,972.02
  6. Step 6: Final answer
    x = 57,710,505.94

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Why These Related Problems?

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