Home / 283,085,400.69-390,645,287.33-157,644,067.05

Finding the Fourth Proportional to 283,085,400.69, 390,645,287.33 and 157,644,067.05

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Solution

The fourth proportional to 283,085,400.69, 390,645,287.33 and 157,644,067.05 is: 217,541,815.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,085,400.69 : 390,645,287.33 = 157,644,067.05 : x
  2. Step 2: Convert to fraction form
    283,085,400.69/390,645,287.33 = 157,644,067.05/x
  3. Step 3: Cross multiply
    283,085,400.69x = 390,645,287.33 × 157,644,067.05
  4. Step 4: Simplify right side
    283,085,400.69x = 61,582,911,867,828,816
  5. Step 5: Solve for x
    x = 61,582,911,867,828,816/283,085,400.69
  6. Step 6: Final answer
    x = 217,541,815.01

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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.