Home / 154,257,971.27-231,388,312.85-39,242,635.25

Finding the Fourth Proportional to 154,257,971.27, 231,388,312.85 and 39,242,635.25

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Solution

The fourth proportional to 154,257,971.27, 231,388,312.85 and 39,242,635.25 is: 58,864,297.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,257,971.27 : 231,388,312.85 = 39,242,635.25 : x
  2. Step 2: Convert to fraction form
    154,257,971.27/231,388,312.85 = 39,242,635.25/x
  3. Step 3: Cross multiply
    154,257,971.27x = 231,388,312.85 × 39,242,635.25
  4. Step 4: Simplify right side
    154,257,971.27x = 9,080,287,162,089,224
  5. Step 5: Solve for x
    x = 9,080,287,162,089,224/154,257,971.27
  6. Step 6: Final answer
    x = 58,864,297.82

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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.