Home / 209,953,610.70-314,930,416.05-202,300,860.30

Finding the Fourth Proportional to 209,953,610.70, 314,930,416.05 and 202,300,860.30

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Solution

The fourth proportional to 209,953,610.70, 314,930,416.05 and 202,300,860.30 is: 303,451,290.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,610.70 : 314,930,416.05 = 202,300,860.30 : x
  2. Step 2: Convert to fraction form
    209,953,610.70/314,930,416.05 = 202,300,860.30/x
  3. Step 3: Cross multiply
    209,953,610.70x = 314,930,416.05 × 202,300,860.30
  4. Step 4: Simplify right side
    209,953,610.70x = 63,710,694,101,551,936
  5. Step 5: Solve for x
    x = 63,710,694,101,551,936/209,953,610.70
  6. Step 6: Final answer
    x = 303,451,290.45

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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.