Home / 147,622,665.70-221,433,998.55-109,358,913.70

Finding the Fourth Proportional to 147,622,665.70, 221,433,998.55 and 109,358,913.70

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Solution

The fourth proportional to 147,622,665.70, 221,433,998.55 and 109,358,913.70 is: 164,038,370.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,622,665.70 : 221,433,998.55 = 109,358,913.70 : x
  2. Step 2: Convert to fraction form
    147,622,665.70/221,433,998.55 = 109,358,913.70/x
  3. Step 3: Cross multiply
    147,622,665.70x = 221,433,998.55 × 109,358,913.70
  4. Step 4: Simplify right side
    147,622,665.70x = 24,215,781,537,675,376
  5. Step 5: Solve for x
    x = 24,215,781,537,675,376/147,622,665.70
  6. Step 6: Final answer
    x = 164,038,370.55

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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.