Home / 109,245,722.40-163,931,569.20-41,137,293.60

Finding the Fourth Proportional to 109,245,722.40, 163,931,569.20 and 41,137,293.60

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Solution

The fourth proportional to 109,245,722.40, 163,931,569.20 and 41,137,293.60 is: 61,729,658.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,245,722.40 : 163,931,569.20 = 41,137,293.60 : x
  2. Step 2: Convert to fraction form
    109,245,722.40/163,931,569.20 = 41,137,293.60/x
  3. Step 3: Cross multiply
    109,245,722.40x = 163,931,569.20 × 41,137,293.60
  4. Step 4: Simplify right side
    109,245,722.40x = 6,743,701,092,489,117
  5. Step 5: Solve for x
    x = 6,743,701,092,489,117/109,245,722.40
  6. Step 6: Final answer
    x = 61,729,658.10

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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.