Home / 166,060,892.52-248,994,969.75-78,621,675.39

Finding the Fourth Proportional to 166,060,892.52, 248,994,969.75 and 78,621,675.39

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Solution

The fourth proportional to 166,060,892.52, 248,994,969.75 and 78,621,675.39 is: 117,886,887.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,060,892.52 : 248,994,969.75 = 78,621,675.39 : x
  2. Step 2: Convert to fraction form
    166,060,892.52/248,994,969.75 = 78,621,675.39/x
  3. Step 3: Cross multiply
    166,060,892.52x = 248,994,969.75 × 78,621,675.39
  4. Step 4: Simplify right side
    166,060,892.52x = 19,576,401,685,427,368
  5. Step 5: Solve for x
    x = 19,576,401,685,427,368/166,060,892.52
  6. Step 6: Final answer
    x = 117,886,887.08

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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.