Home / 149,999,190,955.41-206,999,088,502.64-81,410,605,127.36

Finding the Fourth Proportional to 149,999,190,955.41, 206,999,088,502.64 and 81,410,605,127.36

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Solution

The fourth proportional to 149,999,190,955.41, 206,999,088,502.64 and 81,410,605,127.36 is: 112,346,746,328.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,999,190,955.41 : 206,999,088,502.64 = 81,410,605,127.36 : x
  2. Step 2: Convert to fraction form
    149,999,190,955.41/206,999,088,502.64 = 81,410,605,127.36/x
  3. Step 3: Cross multiply
    149,999,190,955.41x = 206,999,088,502.64 × 81,410,605,127.36
  4. Step 4: Simplify right side
    149,999,190,955.41x = 16,851,921,055,810,836,234,240
  5. Step 5: Solve for x
    x = 16,851,921,055,810,836,234,240/149,999,190,955.41
  6. Step 6: Final answer
    x = 112,346,746,328.92

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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.