Finding the Fourth Proportional to 91,218,132.32, 136,844,802.30 and 29,790,777.08
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Solution
The fourth proportional to 91,218,132.32, 136,844,802.30 and 29,790,777.08 is: 44,691,914.82
Step by Step Solution
- Step 1: Write the proportion equation
91,218,132.32 : 136,844,802.30 = 29,790,777.08 : x - Step 2: Convert to fraction form
91,218,132.32/136,844,802.30 = 29,790,777.08/x - Step 3: Cross multiply
91,218,132.32x = 136,844,802.30 × 29,790,777.08 - Step 4: Simplify right side
91,218,132.32x = 4,076,712,999,875,971.50 - Step 5: Solve for x
x = 4,076,712,999,875,971.50/91,218,132.32 - Step 6: Final answer
x = 44,691,914.82
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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.