Home / 117,221,415.99-175,597,665.56-70,509,107.35

Finding the Fourth Proportional to 117,221,415.99, 175,597,665.56 and 70,509,107.35

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Solution

The fourth proportional to 117,221,415.99, 175,597,665.56 and 70,509,107.35 is: 105,622,633.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,221,415.99 : 175,597,665.56 = 70,509,107.35 : x
  2. Step 2: Convert to fraction form
    117,221,415.99/175,597,665.56 = 70,509,107.35/x
  3. Step 3: Cross multiply
    117,221,415.99x = 175,597,665.56 × 70,509,107.35
  4. Step 4: Simplify right side
    117,221,415.99x = 12,381,234,651,379,436
  5. Step 5: Solve for x
    x = 12,381,234,651,379,436/117,221,415.99
  6. Step 6: Final answer
    x = 105,622,633.43

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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.