Finding the Fourth Proportional to 109,462,026,534.12, 164,133,183,979.08 and 86,917,201,694.82
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Solution
The fourth proportional to 109,462,026,534.12, 164,133,183,979.08 and 86,917,201,694.82 is: 130,328,274,639.39
Step by Step Solution
- Step 1: Write the proportion equation
109,462,026,534.12 : 164,133,183,979.08 = 86,917,201,694.82 : x - Step 2: Convert to fraction form
109,462,026,534.12/164,133,183,979.08 = 86,917,201,694.82/x - Step 3: Cross multiply
109,462,026,534.12x = 164,133,183,979.08 × 86,917,201,694.82 - Step 4: Simplify right side
109,462,026,534.12x = 14,265,997,056,722,694,307,840 - Step 5: Solve for x
x = 14,265,997,056,722,694,307,840/109,462,026,534.12 - Step 6: Final answer
x = 130,328,274,639.39
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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.