Home / 206,490,142,837.40-309,735,214,256.10-122,600,692,952.60

Finding the Fourth Proportional to 206,490,142,837.40, 309,735,214,256.10 and 122,600,692,952.60

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Solution

The fourth proportional to 206,490,142,837.40, 309,735,214,256.10 and 122,600,692,952.60 is: 183,901,039,428.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,490,142,837.40 : 309,735,214,256.10 = 122,600,692,952.60 : x
  2. Step 2: Convert to fraction form
    206,490,142,837.40/309,735,214,256.10 = 122,600,692,952.60/x
  3. Step 3: Cross multiply
    206,490,142,837.40x = 309,735,214,256.10 × 122,600,692,952.60
  4. Step 4: Simplify right side
    206,490,142,837.40x = 37,973,751,899,619,890,036,736
  5. Step 5: Solve for x
    x = 37,973,751,899,619,890,036,736/206,490,142,837.40
  6. Step 6: Final answer
    x = 183,901,039,428.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.