Home / 170,080,899.80-234,586,319.71-128,266,725.22

Finding the Fourth Proportional to 170,080,899.80, 234,586,319.71 and 128,266,725.22

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Solution

The fourth proportional to 170,080,899.80, 234,586,319.71 and 128,266,725.22 is: 176,913,569.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,080,899.80 : 234,586,319.71 = 128,266,725.22 : x
  2. Step 2: Convert to fraction form
    170,080,899.80/234,586,319.71 = 128,266,725.22/x
  3. Step 3: Cross multiply
    170,080,899.80x = 234,586,319.71 × 128,266,725.22
  4. Step 4: Simplify right side
    170,080,899.80x = 30,089,619,008,799,376
  5. Step 5: Solve for x
    x = 30,089,619,008,799,376/170,080,899.80
  6. Step 6: Final answer
    x = 176,913,569.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.