Home / 219,922,600.72-303,475,490.04-127,109,120.08

Finding the Fourth Proportional to 219,922,600.72, 303,475,490.04 and 127,109,120.08

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Solution

The fourth proportional to 219,922,600.72, 303,475,490.04 and 127,109,120.08 is: 175,400,356.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,922,600.72 : 303,475,490.04 = 127,109,120.08 : x
  2. Step 2: Convert to fraction form
    219,922,600.72/303,475,490.04 = 127,109,120.08/x
  3. Step 3: Cross multiply
    219,922,600.72x = 303,475,490.04 × 127,109,120.08
  4. Step 4: Simplify right side
    219,922,600.72x = 38,574,502,504,831,208
  5. Step 5: Solve for x
    x = 38,574,502,504,831,208/219,922,600.72
  6. Step 6: Final answer
    x = 175,400,356.21

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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.