Home / 91,424,619-137,136,551.65-33,118,644.56

Finding the Fourth Proportional to 91,424,619, 137,136,551.65 and 33,118,644.56

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Solution

The fourth proportional to 91,424,619, 137,136,551.65 and 33,118,644.56 is: 49,677,830.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,424,619 : 137,136,551.65 = 33,118,644.56 : x
  2. Step 2: Convert to fraction form
    91,424,619/137,136,551.65 = 33,118,644.56/x
  3. Step 3: Cross multiply
    91,424,619x = 137,136,551.65 × 33,118,644.56
  4. Step 4: Simplify right side
    91,424,619x = 4,541,776,709,511,952
  5. Step 5: Solve for x
    x = 4,541,776,709,511,952/91,424,619
  6. Step 6: Final answer
    x = 49,677,830.32

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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.