Home / 220,140,607.80-330,210,911.70-147,581,196.60

Finding the Fourth Proportional to 220,140,607.80, 330,210,911.70 and 147,581,196.60

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Solution

The fourth proportional to 220,140,607.80, 330,210,911.70 and 147,581,196.60 is: 221,371,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,140,607.80 : 330,210,911.70 = 147,581,196.60 : x
  2. Step 2: Convert to fraction form
    220,140,607.80/330,210,911.70 = 147,581,196.60/x
  3. Step 3: Cross multiply
    220,140,607.80x = 330,210,911.70 × 147,581,196.60
  4. Step 4: Simplify right side
    220,140,607.80x = 48,732,921,479,062,936
  5. Step 5: Solve for x
    x = 48,732,921,479,062,936/220,140,607.80
  6. Step 6: Final answer
    x = 221,371,794.90

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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.