Home / 128,202,938.34-192,496,513.77-110,984,249.94

Finding the Fourth Proportional to 128,202,938.34, 192,496,513.77 and 110,984,249.94

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Solution

The fourth proportional to 128,202,938.34, 192,496,513.77 and 110,984,249.94 is: 166,642,679.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,202,938.34 : 192,496,513.77 = 110,984,249.94 : x
  2. Step 2: Convert to fraction form
    128,202,938.34/192,496,513.77 = 110,984,249.94/x
  3. Step 3: Cross multiply
    128,202,938.34x = 192,496,513.77 × 110,984,249.94
  4. Step 4: Simplify right side
    128,202,938.34x = 21,364,081,196,828,332
  5. Step 5: Solve for x
    x = 21,364,081,196,828,332/128,202,938.34
  6. Step 6: Final answer
    x = 166,642,679.75

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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.