Home / 203,718,831,492.69-281,123,802,465.61-111,017,717,480.21

Finding the Fourth Proportional to 203,718,831,492.69, 281,123,802,465.61 and 111,017,717,480.21

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Solution

The fourth proportional to 203,718,831,492.69, 281,123,802,465.61 and 111,017,717,480.21 is: 153,199,989,664.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,718,831,492.69 : 281,123,802,465.61 = 111,017,717,480.21 : x
  2. Step 2: Convert to fraction form
    203,718,831,492.69/281,123,802,465.61 = 111,017,717,480.21/x
  3. Step 3: Cross multiply
    203,718,831,492.69x = 281,123,802,465.61 × 111,017,717,480.21
  4. Step 4: Simplify right side
    203,718,831,492.69x = 31,209,722,879,089,454,350,336
  5. Step 5: Solve for x
    x = 31,209,722,879,089,454,350,336/203,718,831,492.69
  6. Step 6: Final answer
    x = 153,199,989,664.23

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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.