Home / 220,535,800.80-330,803,701.20-147,976,389.60

Finding the Fourth Proportional to 220,535,800.80, 330,803,701.20 and 147,976,389.60

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Solution

The fourth proportional to 220,535,800.80, 330,803,701.20 and 147,976,389.60 is: 221,964,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,535,800.80 : 330,803,701.20 = 147,976,389.60 : x
  2. Step 2: Convert to fraction form
    220,535,800.80/330,803,701.20 = 147,976,389.60/x
  3. Step 3: Cross multiply
    220,535,800.80x = 330,803,701.20 × 147,976,389.60
  4. Step 4: Simplify right side
    220,535,800.80x = 48,951,137,369,893,184
  5. Step 5: Solve for x
    x = 48,951,137,369,893,184/220,535,800.80
  6. Step 6: Final answer
    x = 221,964,584.40

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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.