Home / 220,370,764.80-330,178,233.60-105,107,116.80

Finding the Fourth Proportional to 220,370,764.80, 330,178,233.60 and 105,107,116.80

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Solution

The fourth proportional to 220,370,764.80, 330,178,233.60 and 105,107,116.80 is: 157,480,427.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,370,764.80 : 330,178,233.60 = 105,107,116.80 : x
  2. Step 2: Convert to fraction form
    220,370,764.80/330,178,233.60 = 105,107,116.80/x
  3. Step 3: Cross multiply
    220,370,764.80x = 330,178,233.60 × 105,107,116.80
  4. Step 4: Simplify right side
    220,370,764.80x = 34,704,082,163,812,888
  5. Step 5: Solve for x
    x = 34,704,082,163,812,888/220,370,764.80
  6. Step 6: Final answer
    x = 157,480,427.11

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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.