Home / 128,426,504.40-192,954,329.40-96,576,008.40

Finding the Fourth Proportional to 128,426,504.40, 192,954,329.40 and 96,576,008.40

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Solution

The fourth proportional to 128,426,504.40, 192,954,329.40 and 96,576,008.40 is: 145,100,569.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,426,504.40 : 192,954,329.40 = 96,576,008.40 : x
  2. Step 2: Convert to fraction form
    128,426,504.40/192,954,329.40 = 96,576,008.40/x
  3. Step 3: Cross multiply
    128,426,504.40x = 192,954,329.40 × 96,576,008.40
  4. Step 4: Simplify right side
    128,426,504.40x = 18,634,758,936,950,768
  5. Step 5: Solve for x
    x = 18,634,758,936,950,768/128,426,504.40
  6. Step 6: Final answer
    x = 145,100,569.57

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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.