Home / 79,743,669.60-119,615,504.40-34,394,037.60

Finding the Fourth Proportional to 79,743,669.60, 119,615,504.40 and 34,394,037.60

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Solution

The fourth proportional to 79,743,669.60, 119,615,504.40 and 34,394,037.60 is: 51,591,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,743,669.60 : 119,615,504.40 = 34,394,037.60 : x
  2. Step 2: Convert to fraction form
    79,743,669.60/119,615,504.40 = 34,394,037.60/x
  3. Step 3: Cross multiply
    79,743,669.60x = 119,615,504.40 × 34,394,037.60
  4. Step 4: Simplify right side
    79,743,669.60x = 4,114,060,155,876,566
  5. Step 5: Solve for x
    x = 4,114,060,155,876,566/79,743,669.60
  6. Step 6: Final answer
    x = 51,591,056.40

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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.