Home / 199,706,190.78-299,698,346.56-70,324,222.26

Finding the Fourth Proportional to 199,706,190.78, 299,698,346.56 and 70,324,222.26

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Solution

The fourth proportional to 199,706,190.78, 299,698,346.56 and 70,324,222.26 is: 105,535,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,706,190.78 : 299,698,346.56 = 70,324,222.26 : x
  2. Step 2: Convert to fraction form
    199,706,190.78/299,698,346.56 = 70,324,222.26/x
  3. Step 3: Cross multiply
    199,706,190.78x = 299,698,346.56 × 70,324,222.26
  4. Step 4: Simplify right side
    199,706,190.78x = 21,076,053,134,439,948
  5. Step 5: Solve for x
    x = 21,076,053,134,439,948/199,706,190.78
  6. Step 6: Final answer
    x = 105,535,301.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.