Home / 193,460,474.40-290,190,711.60-128,890,392.90

Finding the Fourth Proportional to 193,460,474.40, 290,190,711.60 and 128,890,392.90

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Solution

The fourth proportional to 193,460,474.40, 290,190,711.60 and 128,890,392.90 is: 193,335,589.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,460,474.40 : 290,190,711.60 = 128,890,392.90 : x
  2. Step 2: Convert to fraction form
    193,460,474.40/290,190,711.60 = 128,890,392.90/x
  3. Step 3: Cross multiply
    193,460,474.40x = 290,190,711.60 × 128,890,392.90
  4. Step 4: Simplify right side
    193,460,474.40x = 37,402,794,834,054,592
  5. Step 5: Solve for x
    x = 37,402,794,834,054,592/193,460,474.40
  6. Step 6: Final answer
    x = 193,335,589.35

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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.