Home / 70,169,161.58-105,171,084.93-28,644,104.37

Finding the Fourth Proportional to 70,169,161.58, 105,171,084.93 and 28,644,104.37

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Solution

The fourth proportional to 70,169,161.58, 105,171,084.93 and 28,644,104.37 is: 42,932,414.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,169,161.58 : 105,171,084.93 = 28,644,104.37 : x
  2. Step 2: Convert to fraction form
    70,169,161.58/105,171,084.93 = 28,644,104.37/x
  3. Step 3: Cross multiply
    70,169,161.58x = 105,171,084.93 × 28,644,104.37
  4. Step 4: Simplify right side
    70,169,161.58x = 3,012,531,533,441,054.50
  5. Step 5: Solve for x
    x = 3,012,531,533,441,054.50/70,169,161.58
  6. Step 6: Final answer
    x = 42,932,414.55

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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.