Home / 111,928,175.40-167,892,263.10-39,120,758.40

Finding the Fourth Proportional to 111,928,175.40, 167,892,263.10 and 39,120,758.40

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Solution

The fourth proportional to 111,928,175.40, 167,892,263.10 and 39,120,758.40 is: 58,681,137.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,928,175.40 : 167,892,263.10 = 39,120,758.40 : x
  2. Step 2: Convert to fraction form
    111,928,175.40/167,892,263.10 = 39,120,758.40/x
  3. Step 3: Cross multiply
    111,928,175.40x = 167,892,263.10 × 39,120,758.40
  4. Step 4: Simplify right side
    111,928,175.40x = 6,568,072,661,964,335
  5. Step 5: Solve for x
    x = 6,568,072,661,964,335/111,928,175.40
  6. Step 6: Final answer
    x = 58,681,137.60

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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.