Home / 105,358,276.92-158,091,907.44-76,450,449.36

Finding the Fourth Proportional to 105,358,276.92, 158,091,907.44 and 76,450,449.36

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Solution

The fourth proportional to 105,358,276.92, 158,091,907.44 and 76,450,449.36 is: 114,715,214.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,358,276.92 : 158,091,907.44 = 76,450,449.36 : x
  2. Step 2: Convert to fraction form
    105,358,276.92/158,091,907.44 = 76,450,449.36/x
  3. Step 3: Cross multiply
    105,358,276.92x = 158,091,907.44 × 76,450,449.36
  4. Step 4: Simplify right side
    105,358,276.92x = 12,086,197,363,967,526
  5. Step 5: Solve for x
    x = 12,086,197,363,967,526/105,358,276.92
  6. Step 6: Final answer
    x = 114,715,214.76

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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.