Home / 147,622,609.20-221,433,913.80-109,358,857.20

Finding the Fourth Proportional to 147,622,609.20, 221,433,913.80 and 109,358,857.20

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Solution

The fourth proportional to 147,622,609.20, 221,433,913.80 and 109,358,857.20 is: 164,038,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622,609.20 : 221,433,913.80 = 109,358,857.20 : x
  2. Step 2: Convert to fraction form
    147,622,609.20/221,433,913.80 = 109,358,857.20/x
  3. Step 3: Cross multiply
    147,622,609.20x = 221,433,913.80 × 109,358,857.20
  4. Step 4: Simplify right side
    147,622,609.20x = 24,215,759,758,491,312
  5. Step 5: Solve for x
    x = 24,215,759,758,491,312/147,622,609.20
  6. Step 6: Final answer
    x = 164,038,285.80

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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.