Home / 137,760,831,297.10-190,109,945,645.70-74,396,057,985.10

Finding the Fourth Proportional to 137,760,831,297.10, 190,109,945,645.70 and 74,396,057,985.10

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Solution

The fourth proportional to 137,760,831,297.10, 190,109,945,645.70 and 74,396,057,985.10 is: 102,666,559,185.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,760,831,297.10 : 190,109,945,645.70 = 74,396,057,985.10 : x
  2. Step 2: Convert to fraction form
    137,760,831,297.10/190,109,945,645.70 = 74,396,057,985.10/x
  3. Step 3: Cross multiply
    137,760,831,297.10x = 190,109,945,645.70 × 74,396,057,985.10
  4. Step 4: Simplify right side
    137,760,831,297.10x = 14,143,430,539,800,756,617,216
  5. Step 5: Solve for x
    x = 14,143,430,539,800,756,617,216/137,760,831,297.10
  6. Step 6: Final answer
    x = 102,666,559,185.45

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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.