Home / 74,465,366.40-111,698,049.60-73,205,654.40

Finding the Fourth Proportional to 74,465,366.40, 111,698,049.60 and 73,205,654.40

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Solution

The fourth proportional to 74,465,366.40, 111,698,049.60 and 73,205,654.40 is: 109,808,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,465,366.40 : 111,698,049.60 = 73,205,654.40 : x
  2. Step 2: Convert to fraction form
    74,465,366.40/111,698,049.60 = 73,205,654.40/x
  3. Step 3: Cross multiply
    74,465,366.40x = 111,698,049.60 × 73,205,654.40
  4. Step 4: Simplify right side
    74,465,366.40x = 8,176,928,816,171,658
  5. Step 5: Solve for x
    x = 8,176,928,816,171,658/74,465,366.40
  6. Step 6: Final answer
    x = 109,808,481.60

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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.