Home / 180,338,133.66-270,682,123.80-87,030,769.50

Finding the Fourth Proportional to 180,338,133.66, 270,682,123.80 and 87,030,769.50

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Solution

The fourth proportional to 180,338,133.66, 270,682,123.80 and 87,030,769.50 is: 130,630,571.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,338,133.66 : 270,682,123.80 = 87,030,769.50 : x
  2. Step 2: Convert to fraction form
    180,338,133.66/270,682,123.80 = 87,030,769.50/x
  3. Step 3: Cross multiply
    180,338,133.66x = 270,682,123.80 × 87,030,769.50
  4. Step 4: Simplify right side
    180,338,133.66x = 23,557,673,524,208,264
  5. Step 5: Solve for x
    x = 23,557,673,524,208,264/180,338,133.66
  6. Step 6: Final answer
    x = 130,630,571.84

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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.