Home / 193,743,253.21-290,450,280.72-90,172,603.03

Finding the Fourth Proportional to 193,743,253.21, 290,450,280.72 and 90,172,603.03

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Solution

The fourth proportional to 193,743,253.21, 290,450,280.72 and 90,172,603.03 is: 135,182,296.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,743,253.21 : 290,450,280.72 = 90,172,603.03 : x
  2. Step 2: Convert to fraction form
    193,743,253.21/290,450,280.72 = 90,172,603.03/x
  3. Step 3: Cross multiply
    193,743,253.21x = 290,450,280.72 × 90,172,603.03
  4. Step 4: Simplify right side
    193,743,253.21x = 26,190,657,863,316,624
  5. Step 5: Solve for x
    x = 26,190,657,863,316,624/193,743,253.21
  6. Step 6: Final answer
    x = 135,182,296.31

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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.