Home / 137,760,831,297.60-190,109,945,646.39-74,396,057,985.60

Finding the Fourth Proportional to 137,760,831,297.60, 190,109,945,646.39 and 74,396,057,985.60

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Solution

The fourth proportional to 137,760,831,297.60, 190,109,945,646.39 and 74,396,057,985.60 is: 102,666,559,186.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,760,831,297.60 : 190,109,945,646.39 = 74,396,057,985.60 : x
  2. Step 2: Convert to fraction form
    137,760,831,297.60/190,109,945,646.39 = 74,396,057,985.60/x
  3. Step 3: Cross multiply
    137,760,831,297.60x = 190,109,945,646.39 × 74,396,057,985.60
  4. Step 4: Simplify right side
    137,760,831,297.60x = 14,143,430,539,948,096,225,280
  5. Step 5: Solve for x
    x = 14,143,430,539,948,096,225,280/137,760,831,297.60
  6. Step 6: Final answer
    x = 102,666,559,186.15

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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.