Finding the Fourth Proportional to 105,186,170.70, 145,154,130.84 and 58,776,805.98
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Solution
The fourth proportional to 105,186,170.70, 145,154,130.84 and 58,776,805.98 is: 81,110,436.18
Step by Step Solution
- Step 1: Write the proportion equation
105,186,170.70 : 145,154,130.84 = 58,776,805.98 : x - Step 2: Convert to fraction form
105,186,170.70/145,154,130.84 = 58,776,805.98/x - Step 3: Cross multiply
105,186,170.70x = 145,154,130.84 × 58,776,805.98 - Step 4: Simplify right side
105,186,170.70x = 8,531,696,185,578,214 - Step 5: Solve for x
x = 8,531,696,185,578,214/105,186,170.70 - Step 6: Final answer
x = 81,110,436.18
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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.