Home / 203,718,831,477.71-281,123,802,444.91-111,017,717,465.21

Finding the Fourth Proportional to 203,718,831,477.71, 281,123,802,444.91 and 111,017,717,465.21

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Solution

The fourth proportional to 203,718,831,477.71, 281,123,802,444.91 and 111,017,717,465.21 is: 153,199,989,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,718,831,477.71 : 281,123,802,444.91 = 111,017,717,465.21 : x
  2. Step 2: Convert to fraction form
    203,718,831,477.71/281,123,802,444.91 = 111,017,717,465.21/x
  3. Step 3: Cross multiply
    203,718,831,477.71x = 281,123,802,444.91 × 111,017,717,465.21
  4. Step 4: Simplify right side
    203,718,831,477.71x = 31,209,722,872,574,530,027,520
  5. Step 5: Solve for x
    x = 31,209,722,872,574,530,027,520/203,718,831,477.71
  6. Step 6: Final answer
    x = 153,199,989,643.52

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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.