Home / 57,409,879.40-86,131,407.90-17,021,335.40

Finding the Fourth Proportional to 57,409,879.40, 86,131,407.90 and 17,021,335.40

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Solution

The fourth proportional to 57,409,879.40, 86,131,407.90 and 17,021,335.40 is: 25,536,921.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,409,879.40 : 86,131,407.90 = 17,021,335.40 : x
  2. Step 2: Convert to fraction form
    57,409,879.40/86,131,407.90 = 17,021,335.40/x
  3. Step 3: Cross multiply
    57,409,879.40x = 86,131,407.90 × 17,021,335.40
  4. Step 4: Simplify right side
    57,409,879.40x = 1,466,071,582,340,109.75
  5. Step 5: Solve for x
    x = 1,466,071,582,340,109.75/57,409,879.40
  6. Step 6: Final answer
    x = 25,536,921.48

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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.