Home / 230,647,505,782.52-318,293,447,273.07-137,948,358,663.32

Finding the Fourth Proportional to 230,647,505,782.52, 318,293,447,273.07 and 137,948,358,663.32

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Solution

The fourth proportional to 230,647,505,782.52, 318,293,447,273.07 and 137,948,358,663.32 is: 190,368,668,742.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,647,505,782.52 : 318,293,447,273.07 = 137,948,358,663.32 : x
  2. Step 2: Convert to fraction form
    230,647,505,782.52/318,293,447,273.07 = 137,948,358,663.32/x
  3. Step 3: Cross multiply
    230,647,505,782.52x = 318,293,447,273.07 × 137,948,358,663.32
  4. Step 4: Simplify right side
    230,647,505,782.52x = 43,908,058,624,609,996,505,088
  5. Step 5: Solve for x
    x = 43,908,058,624,609,996,505,088/230,647,505,782.52
  6. Step 6: Final answer
    x = 190,368,668,742.56

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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.