Home / 232,420,469.34-320,736,372.03-128,008,256.07

Finding the Fourth Proportional to 232,420,469.34, 320,736,372.03 and 128,008,256.07

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Solution

The fourth proportional to 232,420,469.34, 320,736,372.03 and 128,008,256.07 is: 176,649,258.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,420,469.34 : 320,736,372.03 = 128,008,256.07 : x
  2. Step 2: Convert to fraction form
    232,420,469.34/320,736,372.03 = 128,008,256.07/x
  3. Step 3: Cross multiply
    232,420,469.34x = 320,736,372.03 × 128,008,256.07
  4. Step 4: Simplify right side
    232,420,469.34x = 41,056,903,641,779,016
  5. Step 5: Solve for x
    x = 41,056,903,641,779,016/232,420,469.34
  6. Step 6: Final answer
    x = 176,649,258.81

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1.5x scale

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.