Home / 217,591,133.45-300,272,947.51-118,470,743.94

Finding the Fourth Proportional to 217,591,133.45, 300,272,947.51 and 118,470,743.94

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Solution

The fourth proportional to 217,591,133.45, 300,272,947.51 and 118,470,743.94 is: 163,488,093.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,591,133.45 : 300,272,947.51 = 118,470,743.94 : x
  2. Step 2: Convert to fraction form
    217,591,133.45/300,272,947.51 = 118,470,743.94/x
  3. Step 3: Cross multiply
    217,591,133.45x = 300,272,947.51 × 118,470,743.94
  4. Step 4: Simplify right side
    217,591,133.45x = 35,573,559,475,973,916
  5. Step 5: Solve for x
    x = 35,573,559,475,973,916/217,591,133.45
  6. Step 6: Final answer
    x = 163,488,093.07

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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.