Home / 201,075,415.20-301,613,122.80-142,404,328.80

Finding the Fourth Proportional to 201,075,415.20, 301,613,122.80 and 142,404,328.80

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Solution

The fourth proportional to 201,075,415.20, 301,613,122.80 and 142,404,328.80 is: 213,606,493.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,075,415.20 : 301,613,122.80 = 142,404,328.80 : x
  2. Step 2: Convert to fraction form
    201,075,415.20/301,613,122.80 = 142,404,328.80/x
  3. Step 3: Cross multiply
    201,075,415.20x = 301,613,122.80 × 142,404,328.80
  4. Step 4: Simplify right side
    201,075,415.20x = 42,951,014,309,605,984
  5. Step 5: Solve for x
    x = 42,951,014,309,605,984/201,075,415.20
  6. Step 6: Final answer
    x = 213,606,493.20

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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.