Home / 73,520,171.40-110,280,257.10-70,172,093.10

Finding the Fourth Proportional to 73,520,171.40, 110,280,257.10 and 70,172,093.10

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Solution

The fourth proportional to 73,520,171.40, 110,280,257.10 and 70,172,093.10 is: 105,258,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,520,171.40 : 110,280,257.10 = 70,172,093.10 : x
  2. Step 2: Convert to fraction form
    73,520,171.40/110,280,257.10 = 70,172,093.10/x
  3. Step 3: Cross multiply
    73,520,171.40x = 110,280,257.10 × 70,172,093.10
  4. Step 4: Simplify right side
    73,520,171.40x = 7,738,596,468,313,135
  5. Step 5: Solve for x
    x = 7,738,596,468,313,135/73,520,171.40
  6. Step 6: Final answer
    x = 105,258,139.65

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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.