Home / 154,257,971.77-231,388,313.60-39,242,635.75

Finding the Fourth Proportional to 154,257,971.77, 231,388,313.60 and 39,242,635.75

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Solution

The fourth proportional to 154,257,971.77, 231,388,313.60 and 39,242,635.75 is: 58,864,298.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,257,971.77 : 231,388,313.60 = 39,242,635.75 : x
  2. Step 2: Convert to fraction form
    154,257,971.77/231,388,313.60 = 39,242,635.75/x
  3. Step 3: Cross multiply
    154,257,971.77x = 231,388,313.60 × 39,242,635.75
  4. Step 4: Simplify right side
    154,257,971.77x = 9,080,287,307,411,570
  5. Step 5: Solve for x
    x = 9,080,287,307,411,570/154,257,971.77
  6. Step 6: Final answer
    x = 58,864,298.57

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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.