Home / 38,696,191.32-53,399,142.98-21,055,166.48

Finding the Fourth Proportional to 38,696,191.32, 53,399,142.98 and 21,055,166.48

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Solution

The fourth proportional to 38,696,191.32, 53,399,142.98 and 21,055,166.48 is: 29,055,258.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,696,191.32 : 53,399,142.98 = 21,055,166.48 : x
  2. Step 2: Convert to fraction form
    38,696,191.32/53,399,142.98 = 21,055,166.48/x
  3. Step 3: Cross multiply
    38,696,191.32x = 53,399,142.98 × 21,055,166.48
  4. Step 4: Simplify right side
    38,696,191.32x = 1,124,327,845,333,223.25
  5. Step 5: Solve for x
    x = 1,124,327,845,333,223.25/38,696,191.32
  6. Step 6: Final answer
    x = 29,055,258.59

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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.