Home / 157,511,014.92-217,365,240.60-86,946,664.32

Finding the Fourth Proportional to 157,511,014.92, 217,365,240.60 and 86,946,664.32

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Solution

The fourth proportional to 157,511,014.92, 217,365,240.60 and 86,946,664.32 is: 119,986,418.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,511,014.92 : 217,365,240.60 = 86,946,664.32 : x
  2. Step 2: Convert to fraction form
    157,511,014.92/217,365,240.60 = 86,946,664.32/x
  3. Step 3: Cross multiply
    157,511,014.92x = 217,365,240.60 × 86,946,664.32
  4. Step 4: Simplify right side
    157,511,014.92x = 18,899,182,609,284,232
  5. Step 5: Solve for x
    x = 18,899,182,609,284,232/157,511,014.92
  6. Step 6: Final answer
    x = 119,986,418.85

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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.