Home / 128,716,843.70-193,075,265.55-59,629,513.70

Finding the Fourth Proportional to 128,716,843.70, 193,075,265.55 and 59,629,513.70

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Solution

The fourth proportional to 128,716,843.70, 193,075,265.55 and 59,629,513.70 is: 89,444,270.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,716,843.70 : 193,075,265.55 = 59,629,513.70 : x
  2. Step 2: Convert to fraction form
    128,716,843.70/193,075,265.55 = 59,629,513.70/x
  3. Step 3: Cross multiply
    128,716,843.70x = 193,075,265.55 × 59,629,513.70
  4. Step 4: Simplify right side
    128,716,843.70x = 11,512,984,192,244,864
  5. Step 5: Solve for x
    x = 11,512,984,192,244,864/128,716,843.70
  6. Step 6: Final answer
    x = 89,444,270.55

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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.