Home / 232,420,469.84-320,736,372.72-128,008,256.57

Finding the Fourth Proportional to 232,420,469.84, 320,736,372.72 and 128,008,256.57

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Solution

The fourth proportional to 232,420,469.84, 320,736,372.72 and 128,008,256.57 is: 176,649,259.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,420,469.84 : 320,736,372.72 = 128,008,256.57 : x
  2. Step 2: Convert to fraction form
    232,420,469.84/320,736,372.72 = 128,008,256.57/x
  3. Step 3: Cross multiply
    232,420,469.84x = 320,736,372.72 × 128,008,256.57
  4. Step 4: Simplify right side
    232,420,469.84x = 41,056,903,890,472,912
  5. Step 5: Solve for x
    x = 41,056,903,890,472,912/232,420,469.84
  6. Step 6: Final answer
    x = 176,649,259.50

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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.