Home / 123,364,181.28-170,242,111.44-68,359,993.92

Finding the Fourth Proportional to 123,364,181.28, 170,242,111.44 and 68,359,993.92

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Solution

The fourth proportional to 123,364,181.28, 170,242,111.44 and 68,359,993.92 is: 94,336,537.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,364,181.28 : 170,242,111.44 = 68,359,993.92 : x
  2. Step 2: Convert to fraction form
    123,364,181.28/170,242,111.44 = 68,359,993.92/x
  3. Step 3: Cross multiply
    123,364,181.28x = 170,242,111.44 × 68,359,993.92
  4. Step 4: Simplify right side
    123,364,181.28x = 11,637,749,702,966,362
  5. Step 5: Solve for x
    x = 11,637,749,702,966,362/123,364,181.28
  6. Step 6: Final answer
    x = 94,336,537.41

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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.