Home / 152,847,180.36-210,923,540.10-83,231,034.12

Finding the Fourth Proportional to 152,847,180.36, 210,923,540.10 and 83,231,034.12

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Solution

The fourth proportional to 152,847,180.36, 210,923,540.10 and 83,231,034.12 is: 114,855,794.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,847,180.36 : 210,923,540.10 = 83,231,034.12 : x
  2. Step 2: Convert to fraction form
    152,847,180.36/210,923,540.10 = 83,231,034.12/x
  3. Step 3: Cross multiply
    152,847,180.36x = 210,923,540.10 × 83,231,034.12
  4. Step 4: Simplify right side
    152,847,180.36x = 17,555,384,362,774,288
  5. Step 5: Solve for x
    x = 17,555,384,362,774,288/152,847,180.36
  6. Step 6: Final answer
    x = 114,855,794.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.