Finding the Fourth Proportional to 159,253,959.44, 219,756,446.66 and 88,684,237.10
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Solution
The fourth proportional to 159,253,959.44, 219,756,446.66 and 88,684,237.10 is: 122,376,441.30
Step by Step Solution
- Step 1: Write the proportion equation
159,253,959.44 : 219,756,446.66 = 88,684,237.10 : x - Step 2: Convert to fraction form
159,253,959.44/219,756,446.66 = 88,684,237.10/x - Step 3: Cross multiply
159,253,959.44x = 219,756,446.66 × 88,684,237.10 - Step 4: Simplify right side
159,253,959.44x = 19,488,932,818,971,872 - Step 5: Solve for x
x = 19,488,932,818,971,872/159,253,959.44 - Step 6: Final answer
x = 122,376,441.30
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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.