Home / 128,426,505.40-192,954,330.90-96,576,009.40

Finding the Fourth Proportional to 128,426,505.40, 192,954,330.90 and 96,576,009.40

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Solution

The fourth proportional to 128,426,505.40, 192,954,330.90 and 96,576,009.40 is: 145,100,571.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,426,505.40 : 192,954,330.90 = 96,576,009.40 : x
  2. Step 2: Convert to fraction form
    128,426,505.40/192,954,330.90 = 96,576,009.40/x
  3. Step 3: Cross multiply
    128,426,505.40x = 192,954,330.90 × 96,576,009.40
  4. Step 4: Simplify right side
    128,426,505.40x = 18,634,759,274,769,112
  5. Step 5: Solve for x
    x = 18,634,759,274,769,112/128,426,505.40
  6. Step 6: Final answer
    x = 145,100,571.08

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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.