Home / 105,285,900.60-157,943,222.72-43,860,694.46

Finding the Fourth Proportional to 105,285,900.60, 157,943,222.72 and 43,860,694.46

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Solution

The fourth proportional to 105,285,900.60, 157,943,222.72 and 43,860,694.46 is: 65,797,028.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,285,900.60 : 157,943,222.72 = 43,860,694.46 : x
  2. Step 2: Convert to fraction form
    105,285,900.60/157,943,222.72 = 43,860,694.46/x
  3. Step 3: Cross multiply
    105,285,900.60x = 157,943,222.72 × 43,860,694.46
  4. Step 4: Simplify right side
    105,285,900.60x = 6,927,499,432,740,630
  5. Step 5: Solve for x
    x = 6,927,499,432,740,630/105,285,900.60
  6. Step 6: Final answer
    x = 65,797,028.79

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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.