Home / 90,495,828.80-135,743,743.20-22,338,520.55

Finding the Fourth Proportional to 90,495,828.80, 135,743,743.20 and 22,338,520.55

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Solution

The fourth proportional to 90,495,828.80, 135,743,743.20 and 22,338,520.55 is: 33,507,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,495,828.80 : 135,743,743.20 = 22,338,520.55 : x
  2. Step 2: Convert to fraction form
    90,495,828.80/135,743,743.20 = 22,338,520.55/x
  3. Step 3: Cross multiply
    90,495,828.80x = 135,743,743.20 × 22,338,520.55
  4. Step 4: Simplify right side
    90,495,828.80x = 3,032,314,397,007,122.50
  5. Step 5: Solve for x
    x = 3,032,314,397,007,122.50/90,495,828.80
  6. Step 6: Final answer
    x = 33,507,780.83

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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.