Home / 217,640,048.40-325,704,245.40-149,615,600.40

Finding the Fourth Proportional to 217,640,048.40, 325,704,245.40 and 149,615,600.40

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Solution

The fourth proportional to 217,640,048.40, 325,704,245.40 and 149,615,600.40 is: 223,903,810.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,640,048.40 : 325,704,245.40 = 149,615,600.40 : x
  2. Step 2: Convert to fraction form
    217,640,048.40/325,704,245.40 = 149,615,600.40/x
  3. Step 3: Cross multiply
    217,640,048.40x = 325,704,245.40 × 149,615,600.40
  4. Step 4: Simplify right side
    217,640,048.40x = 48,730,436,228,349,936
  5. Step 5: Solve for x
    x = 48,730,436,228,349,936/217,640,048.40
  6. Step 6: Final answer
    x = 223,903,810.84

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1.5x scale

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.