Home / 40,166,098,863.23-55,427,551,954.73-21,855,232,144.28

Finding the Fourth Proportional to 40,166,098,863.23, 55,427,551,954.73 and 21,855,232,144.28

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Solution

The fourth proportional to 40,166,098,863.23, 55,427,551,954.73 and 21,855,232,144.28 is: 30,159,314,681.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,166,098,863.23 : 55,427,551,954.73 = 21,855,232,144.28 : x
  2. Step 2: Convert to fraction form
    40,166,098,863.23/55,427,551,954.73 = 21,855,232,144.28/x
  3. Step 3: Cross multiply
    40,166,098,863.23x = 55,427,551,954.73 × 21,855,232,144.28
  4. Step 4: Simplify right side
    40,166,098,863.23x = 1,211,382,015,159,378,378,752
  5. Step 5: Solve for x
    x = 1,211,382,015,159,378,378,752/40,166,098,863.23
  6. Step 6: Final answer
    x = 30,159,314,681.88

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Double scale
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1.5x scale

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.