Home / 173,430,975.72-260,289,577.56-87,193,891.56

Finding the Fourth Proportional to 173,430,975.72, 260,289,577.56 and 87,193,891.56

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Solution

The fourth proportional to 173,430,975.72, 260,289,577.56 and 87,193,891.56 is: 130,862,789.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,430,975.72 : 260,289,577.56 = 87,193,891.56 : x
  2. Step 2: Convert to fraction form
    173,430,975.72/260,289,577.56 = 87,193,891.56/x
  3. Step 3: Cross multiply
    173,430,975.72x = 260,289,577.56 × 87,193,891.56
  4. Step 4: Simplify right side
    173,430,975.72x = 22,695,661,199,964,852
  5. Step 5: Solve for x
    x = 22,695,661,199,964,852/173,430,975.72
  6. Step 6: Final answer
    x = 130,862,789.11

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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.