Home / 39,042,569,922.64-53,874,981,699.91-21,896,119,299.04

Finding the Fourth Proportional to 39,042,569,922.64, 53,874,981,699.91 and 21,896,119,299.04

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Solution

The fourth proportional to 39,042,569,922.64, 53,874,981,699.91 and 21,896,119,299.04 is: 30,214,533,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,042,569,922.64 : 53,874,981,699.91 = 21,896,119,299.04 : x
  2. Step 2: Convert to fraction form
    39,042,569,922.64/53,874,981,699.91 = 21,896,119,299.04/x
  3. Step 3: Cross multiply
    39,042,569,922.64x = 53,874,981,699.91 × 21,896,119,299.04
  4. Step 4: Simplify right side
    39,042,569,922.64x = 1,179,653,026,534,826,311,680
  5. Step 5: Solve for x
    x = 1,179,653,026,534,826,311,680/39,042,569,922.64
  6. Step 6: Final answer
    x = 30,214,533,235.70

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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.