Home / 65,880,640,696.42-90,917,201,972.12-37,333,346,730.85

Finding the Fourth Proportional to 65,880,640,696.42, 90,917,201,972.12 and 37,333,346,730.85

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Solution

The fourth proportional to 65,880,640,696.42, 90,917,201,972.12 and 37,333,346,730.85 is: 51,521,105,276.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,880,640,696.42 : 90,917,201,972.12 = 37,333,346,730.85 : x
  2. Step 2: Convert to fraction form
    65,880,640,696.42/90,917,201,972.12 = 37,333,346,730.85/x
  3. Step 3: Cross multiply
    65,880,640,696.42x = 90,917,201,972.12 × 37,333,346,730.85
  4. Step 4: Simplify right side
    65,880,640,696.42x = 3,394,243,425,023,586,467,840
  5. Step 5: Solve for x
    x = 3,394,243,425,023,586,467,840/65,880,640,696.42
  6. Step 6: Final answer
    x = 51,521,105,276.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.