Home / 145,670,589,001.31-201,087,310,297.80-90,764,889,351.27

Finding the Fourth Proportional to 145,670,589,001.31, 201,087,310,297.80 and 90,764,889,351.27

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Solution

The fourth proportional to 145,670,589,001.31, 201,087,310,297.80 and 90,764,889,351.27 is: 125,294,114,579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,670,589,001.31 : 201,087,310,297.80 = 90,764,889,351.27 : x
  2. Step 2: Convert to fraction form
    145,670,589,001.31/201,087,310,297.80 = 90,764,889,351.27/x
  3. Step 3: Cross multiply
    145,670,589,001.31x = 201,087,310,297.80 × 90,764,889,351.27
  4. Step 4: Simplify right side
    145,670,589,001.31x = 18,251,667,469,124,312,760,320
  5. Step 5: Solve for x
    x = 18,251,667,469,124,312,760,320/145,670,589,001.31
  6. Step 6: Final answer
    x = 125,294,114,579.03

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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.