Home / 39,042,569,924.64-53,874,981,702.68-21,896,119,301.04

Finding the Fourth Proportional to 39,042,569,924.64, 53,874,981,702.68 and 21,896,119,301.04

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Solution

The fourth proportional to 39,042,569,924.64, 53,874,981,702.68 and 21,896,119,301.04 is: 30,214,533,238.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,042,569,924.64 : 53,874,981,702.68 = 21,896,119,301.04 : x
  2. Step 2: Convert to fraction form
    39,042,569,924.64/53,874,981,702.68 = 21,896,119,301.04/x
  3. Step 3: Cross multiply
    39,042,569,924.64x = 53,874,981,702.68 × 21,896,119,301.04
  4. Step 4: Simplify right side
    39,042,569,924.64x = 1,179,653,026,703,119,089,664
  5. Step 5: Solve for x
    x = 1,179,653,026,703,119,089,664/39,042,569,924.64
  6. Step 6: Final answer
    x = 30,214,533,238.46

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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.