Home / 218,122,237.37-300,998,176.70-118,997,087.29

Finding the Fourth Proportional to 218,122,237.37, 300,998,176.70 and 118,997,087.29

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Solution

The fourth proportional to 218,122,237.37, 300,998,176.70 and 118,997,087.29 is: 164,210,246.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,122,237.37 : 300,998,176.70 = 118,997,087.29 : x
  2. Step 2: Convert to fraction form
    218,122,237.37/300,998,176.70 = 118,997,087.29/x
  3. Step 3: Cross multiply
    218,122,237.37x = 300,998,176.70 × 118,997,087.29
  4. Step 4: Simplify right side
    218,122,237.37x = 35,817,906,305,553,260
  5. Step 5: Solve for x
    x = 35,817,906,305,553,260/218,122,237.37
  6. Step 6: Final answer
    x = 164,210,246.22

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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.