Home / 170,227,939.80-255,341,909.70-118,271,818.20

Finding the Fourth Proportional to 170,227,939.80, 255,341,909.70 and 118,271,818.20

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Solution

The fourth proportional to 170,227,939.80, 255,341,909.70 and 118,271,818.20 is: 177,407,727.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,227,939.80 : 255,341,909.70 = 118,271,818.20 : x
  2. Step 2: Convert to fraction form
    170,227,939.80/255,341,909.70 = 118,271,818.20/x
  3. Step 3: Cross multiply
    170,227,939.80x = 255,341,909.70 × 118,271,818.20
  4. Step 4: Simplify right side
    170,227,939.80x = 30,199,751,922,879,216
  5. Step 5: Solve for x
    x = 30,199,751,922,879,216/170,227,939.80
  6. Step 6: Final answer
    x = 177,407,727.30

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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.