Home / 230,905,813.47-318,529,213.32-142,771,638.03

Finding the Fourth Proportional to 230,905,813.47, 318,529,213.32 and 142,771,638.03

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Solution

The fourth proportional to 230,905,813.47, 318,529,213.32 and 142,771,638.03 is: 196,950,162.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,905,813.47 : 318,529,213.32 = 142,771,638.03 : x
  2. Step 2: Convert to fraction form
    230,905,813.47/318,529,213.32 = 142,771,638.03/x
  3. Step 3: Cross multiply
    230,905,813.47x = 318,529,213.32 × 142,771,638.03
  4. Step 4: Simplify right side
    230,905,813.47x = 45,476,937,546,103,696
  5. Step 5: Solve for x
    x = 45,476,937,546,103,696/230,905,813.47
  6. Step 6: Final answer
    x = 196,950,162.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.