Home / 195,871,572.80-293,794,917.60-66,478,932.80

Finding the Fourth Proportional to 195,871,572.80, 293,794,917.60 and 66,478,932.80

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Solution

The fourth proportional to 195,871,572.80, 293,794,917.60 and 66,478,932.80 is: 99,714,176.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,871,572.80 : 293,794,917.60 = 66,478,932.80 : x
  2. Step 2: Convert to fraction form
    195,871,572.80/293,794,917.60 = 66,478,932.80/x
  3. Step 3: Cross multiply
    195,871,572.80x = 293,794,917.60 × 66,478,932.80
  4. Step 4: Simplify right side
    195,871,572.80x = 19,531,172,584,111,936
  5. Step 5: Solve for x
    x = 19,531,172,584,111,936/195,871,572.80
  6. Step 6: Final answer
    x = 99,714,176.51

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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.