Finding the Fourth Proportional to 243,731,573.19, 336,261,307.84 and 160,144,695.63
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Solution
The fourth proportional to 243,731,573.19, 336,261,307.84 and 160,144,695.63 is: 220,941,686.34
Step by Step Solution
- Step 1: Write the proportion equation
243,731,573.19 : 336,261,307.84 = 160,144,695.63 : x - Step 2: Convert to fraction form
243,731,573.19/336,261,307.84 = 160,144,695.63/x - Step 3: Cross multiply
243,731,573.19x = 336,261,307.84 × 160,144,695.63 - Step 4: Simplify right side
243,731,573.19x = 53,850,464,795,782,168 - Step 5: Solve for x
x = 53,850,464,795,782,168/243,731,573.19 - Step 6: Final answer
x = 220,941,686.34
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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.