Finding the Fourth Proportional to 145,949,368,712.16, 218,844,245,305.44 and 115,889,602,259.76
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Solution
The fourth proportional to 145,949,368,712.16, 218,844,245,305.44 and 115,889,602,259.76 is: 173,771,032,852.52
Step by Step Solution
- Step 1: Write the proportion equation
145,949,368,712.16 : 218,844,245,305.44 = 115,889,602,259.76 : x - Step 2: Convert to fraction form
145,949,368,712.16/218,844,245,305.44 = 115,889,602,259.76/x - Step 3: Cross multiply
145,949,368,712.16x = 218,844,245,305.44 × 115,889,602,259.76 - Step 4: Simplify right side
145,949,368,712.16x = 25,361,772,545,284,790,812,672 - Step 5: Solve for x
x = 25,361,772,545,284,790,812,672/145,949,368,712.16 - Step 6: Final answer
x = 173,771,032,852.52
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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.