Home / 199,706,189.77-299,698,345.05-70,324,221.25

Finding the Fourth Proportional to 199,706,189.77, 299,698,345.05 and 70,324,221.25

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Solution

The fourth proportional to 199,706,189.77, 299,698,345.05 and 70,324,221.25 is: 105,535,300.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,706,189.77 : 299,698,345.05 = 70,324,221.25 : x
  2. Step 2: Convert to fraction form
    199,706,189.77/299,698,345.05 = 70,324,221.25/x
  3. Step 3: Cross multiply
    199,706,189.77x = 299,698,345.05 × 70,324,221.25
  4. Step 4: Simplify right side
    199,706,189.77x = 21,076,052,725,555,044
  5. Step 5: Solve for x
    x = 21,076,052,725,555,044/199,706,189.77
  6. Step 6: Final answer
    x = 105,535,300.38

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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.