Finding the Fourth Proportional to 163,663,837.20, 225,885,354.48 and 97,588,589.40
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Solution
The fourth proportional to 163,663,837.20, 225,885,354.48 and 97,588,589.40 is: 134,689,699.86
Step by Step Solution
- Step 1: Write the proportion equation
163,663,837.20 : 225,885,354.48 = 97,588,589.40 : x - Step 2: Convert to fraction form
163,663,837.20/225,885,354.48 = 97,588,589.40/x - Step 3: Cross multiply
163,663,837.20x = 225,885,354.48 × 97,588,589.40 - Step 4: Simplify right side
163,663,837.20x = 22,043,833,109,822,172 - Step 5: Solve for x
x = 22,043,833,109,822,172/163,663,837.20 - Step 6: Final answer
x = 134,689,699.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.