Home / 203,718,831,419.68-281,123,802,365.07-111,017,717,407.19

Finding the Fourth Proportional to 203,718,831,419.68, 281,123,802,365.07 and 111,017,717,407.19

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Solution

The fourth proportional to 203,718,831,419.68, 281,123,802,365.07 and 111,017,717,407.19 is: 153,199,989,563.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,718,831,419.68 : 281,123,802,365.07 = 111,017,717,407.19 : x
  2. Step 2: Convert to fraction form
    203,718,831,419.68/281,123,802,365.07 = 111,017,717,407.19/x
  3. Step 3: Cross multiply
    203,718,831,419.68x = 281,123,802,365.07 × 111,017,717,407.19
  4. Step 4: Simplify right side
    203,718,831,419.68x = 31,209,722,847,400,074,149,888
  5. Step 5: Solve for x
    x = 31,209,722,847,400,074,149,888/203,718,831,419.68
  6. Step 6: Final answer
    x = 153,199,989,563.58

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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.