Finding the Fourth Proportional to 143,961,043.77, 198,689,996.12 and 88,237,460.70
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Solution
The fourth proportional to 143,961,043.77, 198,689,996.12 and 88,237,460.70 is: 121,782,256.26
Step by Step Solution
- Step 1: Write the proportion equation
143,961,043.77 : 198,689,996.12 = 88,237,460.70 : x - Step 2: Convert to fraction form
143,961,043.77/198,689,996.12 = 88,237,460.70/x - Step 3: Cross multiply
143,961,043.77x = 198,689,996.12 × 88,237,460.70 - Step 4: Simplify right side
143,961,043.77x = 17,531,900,723,680,466 - Step 5: Solve for x
x = 17,531,900,723,680,466/143,961,043.77 - Step 6: Final answer
x = 121,782,256.26
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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.