Home / 267,455,912.96-401,116,539-103,637,453.24

Finding the Fourth Proportional to 267,455,912.96, 401,116,539 and 103,637,453.24

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Solution

The fourth proportional to 267,455,912.96, 401,116,539 and 103,637,453.24 is: 155,430,089.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,455,912.96 : 401,116,539 = 103,637,453.24 : x
  2. Step 2: Convert to fraction form
    267,455,912.96/401,116,539 = 103,637,453.24/x
  3. Step 3: Cross multiply
    267,455,912.96x = 401,116,539 × 103,637,453.24
  4. Step 4: Simplify right side
    267,455,912.96x = 41,570,696,554,403,136
  5. Step 5: Solve for x
    x = 41,570,696,554,403,136/267,455,912.96
  6. Step 6: Final answer
    x = 155,430,089.75

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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.