Home / 209,953,907.20-314,930,860.80-202,301,156.80

Finding the Fourth Proportional to 209,953,907.20, 314,930,860.80 and 202,301,156.80

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Solution

The fourth proportional to 209,953,907.20, 314,930,860.80 and 202,301,156.80 is: 303,451,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,907.20 : 314,930,860.80 = 202,301,156.80 : x
  2. Step 2: Convert to fraction form
    209,953,907.20/314,930,860.80 = 202,301,156.80/x
  3. Step 3: Cross multiply
    209,953,907.20x = 314,930,860.80 × 202,301,156.80
  4. Step 4: Simplify right side
    209,953,907.20x = 63,710,877,451,859,776
  5. Step 5: Solve for x
    x = 63,710,877,451,859,776/209,953,907.20
  6. Step 6: Final answer
    x = 303,451,735.20

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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.