Home / 235,214,840.72-324,637,109.18-136,150,209.45

Finding the Fourth Proportional to 235,214,840.72, 324,637,109.18 and 136,150,209.45

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Solution

The fourth proportional to 235,214,840.72, 324,637,109.18 and 136,150,209.45 is: 187,910,806.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,214,840.72 : 324,637,109.18 = 136,150,209.45 : x
  2. Step 2: Convert to fraction form
    235,214,840.72/324,637,109.18 = 136,150,209.45/x
  3. Step 3: Cross multiply
    235,214,840.72x = 324,637,109.18 × 136,150,209.45
  4. Step 4: Simplify right side
    235,214,840.72x = 44,199,410,409,929,320
  5. Step 5: Solve for x
    x = 44,199,410,409,929,320/235,214,840.72
  6. Step 6: Final answer
    x = 187,910,806.45

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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.