Home / 199,355,853.60-299,033,780.40-131,275,418.40

Finding the Fourth Proportional to 199,355,853.60, 299,033,780.40 and 131,275,418.40

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Solution

The fourth proportional to 199,355,853.60, 299,033,780.40 and 131,275,418.40 is: 196,913,127.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,355,853.60 : 299,033,780.40 = 131,275,418.40 : x
  2. Step 2: Convert to fraction form
    199,355,853.60/299,033,780.40 = 131,275,418.40/x
  3. Step 3: Cross multiply
    199,355,853.60x = 299,033,780.40 × 131,275,418.40
  4. Step 4: Simplify right side
    199,355,853.60x = 39,255,784,637,743,720
  5. Step 5: Solve for x
    x = 39,255,784,637,743,720/199,355,853.60
  6. Step 6: Final answer
    x = 196,913,127.60

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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.