Home / 150,898,421,835.90-208,240,469,534.03-82,311,329,630.49

Finding the Fourth Proportional to 150,898,421,835.90, 208,240,469,534.03 and 82,311,329,630.49

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Solution

The fourth proportional to 150,898,421,835.90, 208,240,469,534.03 and 82,311,329,630.49 is: 113,589,988,030.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,898,421,835.90 : 208,240,469,534.03 = 82,311,329,630.49 : x
  2. Step 2: Convert to fraction form
    150,898,421,835.90/208,240,469,534.03 = 82,311,329,630.49/x
  3. Step 3: Cross multiply
    150,898,421,835.90x = 208,240,469,534.03 × 82,311,329,630.49
  4. Step 4: Simplify right side
    150,898,421,835.90x = 17,140,549,930,222,511,718,400
  5. Step 5: Solve for x
    x = 17,140,549,930,222,511,718,400/150,898,421,835.90
  6. Step 6: Final answer
    x = 113,589,988,030.91

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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.