Home / 80,878,766.40-121,318,149.60-23,372,913.60

Finding the Fourth Proportional to 80,878,766.40, 121,318,149.60 and 23,372,913.60

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Solution

The fourth proportional to 80,878,766.40, 121,318,149.60 and 23,372,913.60 is: 35,059,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,878,766.40 : 121,318,149.60 = 23,372,913.60 : x
  2. Step 2: Convert to fraction form
    80,878,766.40/121,318,149.60 = 23,372,913.60/x
  3. Step 3: Cross multiply
    80,878,766.40x = 121,318,149.60 × 23,372,913.60
  4. Step 4: Simplify right side
    80,878,766.40x = 2,835,558,628,712,674.50
  5. Step 5: Solve for x
    x = 2,835,558,628,712,674.50/80,878,766.40
  6. Step 6: Final answer
    x = 35,059,370.40

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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.