Home / 149,999,190,977.64-206,999,088,533.34-81,410,605,149.63

Finding the Fourth Proportional to 149,999,190,977.64, 206,999,088,533.34 and 81,410,605,149.63

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Solution

The fourth proportional to 149,999,190,977.64, 206,999,088,533.34 and 81,410,605,149.63 is: 112,346,746,359.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,999,190,977.64 : 206,999,088,533.34 = 81,410,605,149.63 : x
  2. Step 2: Convert to fraction form
    149,999,190,977.64/206,999,088,533.34 = 81,410,605,149.63/x
  3. Step 3: Cross multiply
    149,999,190,977.64x = 206,999,088,533.34 × 81,410,605,149.63
  4. Step 4: Simplify right side
    149,999,190,977.64x = 16,851,921,062,921,045,540,864
  5. Step 5: Solve for x
    x = 16,851,921,062,921,045,540,864/149,999,190,977.64
  6. Step 6: Final answer
    x = 112,346,746,359.67

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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.