Home / 177,853,628.07-266,871,642.23-85,815,858.69

Finding the Fourth Proportional to 177,853,628.07, 266,871,642.23 and 85,815,858.69

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Solution

The fourth proportional to 177,853,628.07, 266,871,642.23 and 85,815,858.69 is: 128,767,792.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,853,628.07 : 266,871,642.23 = 85,815,858.69 : x
  2. Step 2: Convert to fraction form
    177,853,628.07/266,871,642.23 = 85,815,858.69/x
  3. Step 3: Cross multiply
    177,853,628.07x = 266,871,642.23 × 85,815,858.69
  4. Step 4: Simplify right side
    177,853,628.07x = 22,901,819,137,548,836
  5. Step 5: Solve for x
    x = 22,901,819,137,548,836/177,853,628.07
  6. Step 6: Final answer
    x = 128,767,792.85

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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.