Home / 210,287,462,119.88-290,196,952,815.84-113,943,474,067.28

Finding the Fourth Proportional to 210,287,462,119.88, 290,196,952,815.84 and 113,943,474,067.28

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Solution

The fourth proportional to 210,287,462,119.88, 290,196,952,815.84 and 113,943,474,067.28 is: 157,242,132,432.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,287,462,119.88 : 290,196,952,815.84 = 113,943,474,067.28 : x
  2. Step 2: Convert to fraction form
    210,287,462,119.88/290,196,952,815.84 = 113,943,474,067.28/x
  3. Step 3: Cross multiply
    210,287,462,119.88x = 290,196,952,815.84 × 113,943,474,067.28
  4. Step 4: Simplify right side
    210,287,462,119.88x = 33,066,048,967,575,347,396,608
  5. Step 5: Solve for x
    x = 33,066,048,967,575,347,396,608/210,287,462,119.88
  6. Step 6: Final answer
    x = 157,242,132,432.63

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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.