Home / 58,140,129.96-87,223,686.30-19,801,976.22

Finding the Fourth Proportional to 58,140,129.96, 87,223,686.30 and 19,801,976.22

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Solution

The fourth proportional to 58,140,129.96, 87,223,686.30 and 19,801,976.22 is: 29,707,559.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,140,129.96 : 87,223,686.30 = 19,801,976.22 : x
  2. Step 2: Convert to fraction form
    58,140,129.96/87,223,686.30 = 19,801,976.22/x
  3. Step 3: Cross multiply
    58,140,129.96x = 87,223,686.30 × 19,801,976.22
  4. Step 4: Simplify right side
    58,140,129.96x = 1,727,201,361,933,339.50
  5. Step 5: Solve for x
    x = 1,727,201,361,933,339.50/58,140,129.96
  6. Step 6: Final answer
    x = 29,707,559.36

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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.