Finding the Fourth Proportional to 163,369,817.35, 225,450,387.48 and 89,030,398.66
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Solution
The fourth proportional to 163,369,817.35, 225,450,387.48 and 89,030,398.66 is: 122,861,971.70
Step by Step Solution
- Step 1: Write the proportion equation
163,369,817.35 : 225,450,387.48 = 89,030,398.66 : x - Step 2: Convert to fraction form
163,369,817.35/225,450,387.48 = 89,030,398.66/x - Step 3: Cross multiply
163,369,817.35x = 225,450,387.48 × 89,030,398.66 - Step 4: Simplify right side
163,369,817.35x = 20,071,937,875,395,872 - Step 5: Solve for x
x = 20,071,937,875,395,872/163,369,817.35 - Step 6: Final answer
x = 122,861,971.70
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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.