Home / 203,718,831,492.19-281,123,802,464.92-111,017,717,479.71

Finding the Fourth Proportional to 203,718,831,492.19, 281,123,802,464.92 and 111,017,717,479.71

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Solution

The fourth proportional to 203,718,831,492.19, 281,123,802,464.92 and 111,017,717,479.71 is: 153,199,989,663.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,718,831,492.19 : 281,123,802,464.92 = 111,017,717,479.71 : x
  2. Step 2: Convert to fraction form
    203,718,831,492.19/281,123,802,464.92 = 111,017,717,479.71/x
  3. Step 3: Cross multiply
    203,718,831,492.19x = 281,123,802,464.92 × 111,017,717,479.71
  4. Step 4: Simplify right side
    203,718,831,492.19x = 31,209,722,878,872,290,066,432
  5. Step 5: Solve for x
    x = 31,209,722,878,872,290,066,432/203,718,831,492.19
  6. Step 6: Final answer
    x = 153,199,989,663.54

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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.