Home / 74,237,767,301.81-102,448,113,195.16-40,405,304,991.53

Finding the Fourth Proportional to 74,237,767,301.81, 102,448,113,195.16 and 40,405,304,991.53

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Solution

The fourth proportional to 74,237,767,301.81, 102,448,113,195.16 and 40,405,304,991.53 is: 55,759,317,796.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,237,767,301.81 : 102,448,113,195.16 = 40,405,304,991.53 : x
  2. Step 2: Convert to fraction form
    74,237,767,301.81/102,448,113,195.16 = 40,405,304,991.53/x
  3. Step 3: Cross multiply
    74,237,767,301.81x = 102,448,113,195.16 × 40,405,304,991.53
  4. Step 4: Simplify right side
    74,237,767,301.81x = 4,139,447,259,457,535,868,928
  5. Step 5: Solve for x
    x = 4,139,447,259,457,535,868,928/74,237,767,301.81
  6. Step 6: Final answer
    x = 55,759,317,796.14

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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.