Home / 270,134,356.02-405,241,890.90-85,907,842.23

Finding the Fourth Proportional to 270,134,356.02, 405,241,890.90 and 85,907,842.23

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Solution

The fourth proportional to 270,134,356.02, 405,241,890.90 and 85,907,842.23 is: 128,874,597.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,134,356.02 : 405,241,890.90 = 85,907,842.23 : x
  2. Step 2: Convert to fraction form
    270,134,356.02/405,241,890.90 = 85,907,842.23/x
  3. Step 3: Cross multiply
    270,134,356.02x = 405,241,890.90 × 85,907,842.23
  4. Step 4: Simplify right side
    270,134,356.02x = 34,813,456,428,424,072
  5. Step 5: Solve for x
    x = 34,813,456,428,424,072/270,134,356.02
  6. Step 6: Final answer
    x = 128,874,597.59

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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.