Home / 199,627,775.20-299,441,662.80-170,402,456.80

Finding the Fourth Proportional to 199,627,775.20, 299,441,662.80 and 170,402,456.80

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Solution

The fourth proportional to 199,627,775.20, 299,441,662.80 and 170,402,456.80 is: 255,603,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,627,775.20 : 299,441,662.80 = 170,402,456.80 : x
  2. Step 2: Convert to fraction form
    199,627,775.20/299,441,662.80 = 170,402,456.80/x
  3. Step 3: Cross multiply
    199,627,775.20x = 299,441,662.80 × 170,402,456.80
  4. Step 4: Simplify right side
    199,627,775.20x = 51,025,595,009,397,176
  5. Step 5: Solve for x
    x = 51,025,595,009,397,176/199,627,775.20
  6. Step 6: Final answer
    x = 255,603,685.20

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1.5x scale

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.