Home / 219,922,601.72-303,475,491.42-127,109,121.08

Finding the Fourth Proportional to 219,922,601.72, 303,475,491.42 and 127,109,121.08

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Solution

The fourth proportional to 219,922,601.72, 303,475,491.42 and 127,109,121.08 is: 175,400,357.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,922,601.72 : 303,475,491.42 = 127,109,121.08 : x
  2. Step 2: Convert to fraction form
    219,922,601.72/303,475,491.42 = 127,109,121.08/x
  3. Step 3: Cross multiply
    219,922,601.72x = 303,475,491.42 × 127,109,121.08
  4. Step 4: Simplify right side
    219,922,601.72x = 38,574,502,983,717,280
  5. Step 5: Solve for x
    x = 38,574,502,983,717,280/219,922,601.72
  6. Step 6: Final answer
    x = 175,400,357.59

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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.