Home / 170,080,900.04-234,586,320.05-128,266,725.47

Finding the Fourth Proportional to 170,080,900.04, 234,586,320.05 and 128,266,725.47

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Solution

The fourth proportional to 170,080,900.04, 234,586,320.05 and 128,266,725.47 is: 176,913,569.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,080,900.04 : 234,586,320.05 = 128,266,725.47 : x
  2. Step 2: Convert to fraction form
    170,080,900.04/234,586,320.05 = 128,266,725.47/x
  3. Step 3: Cross multiply
    170,080,900.04x = 234,586,320.05 × 128,266,725.47
  4. Step 4: Simplify right side
    170,080,900.04x = 30,089,619,112,018,644
  5. Step 5: Solve for x
    x = 30,089,619,112,018,644/170,080,900.04
  6. Step 6: Final answer
    x = 176,913,569.39

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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.