Home / 203,718,831,443.68-281,123,802,398.29-111,017,717,431.20

Finding the Fourth Proportional to 203,718,831,443.68, 281,123,802,398.29 and 111,017,717,431.20

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Solution

The fourth proportional to 203,718,831,443.68, 281,123,802,398.29 and 111,017,717,431.20 is: 153,199,989,596.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,718,831,443.68 : 281,123,802,398.29 = 111,017,717,431.20 : x
  2. Step 2: Convert to fraction form
    203,718,831,443.68/281,123,802,398.29 = 111,017,717,431.20/x
  3. Step 3: Cross multiply
    203,718,831,443.68x = 281,123,802,398.29 × 111,017,717,431.20
  4. Step 4: Simplify right side
    203,718,831,443.68x = 31,209,722,857,837,859,700,736
  5. Step 5: Solve for x
    x = 31,209,722,857,837,859,700,736/203,718,831,443.68
  6. Step 6: Final answer
    x = 153,199,989,596.77

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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.