Finding the Fourth Proportional to 131,908,503.80, 197,862,755.70 and 97,896,279.80
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Solution
The fourth proportional to 131,908,503.80, 197,862,755.70 and 97,896,279.80 is: 146,844,419.70
Step by Step Solution
- Step 1: Write the proportion equation
131,908,503.80 : 197,862,755.70 = 97,896,279.80 : x - Step 2: Convert to fraction form
131,908,503.80/197,862,755.70 = 97,896,279.80/x - Step 3: Cross multiply
131,908,503.80x = 197,862,755.70 × 97,896,279.80 - Step 4: Simplify right side
131,908,503.80x = 19,370,027,694,006,244 - Step 5: Solve for x
x = 19,370,027,694,006,244/131,908,503.80 - Step 6: Final answer
x = 146,844,419.70
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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.