Finding the Fourth Proportional to 239,734,370,639.17, 330,791,383,365.12 and 136,804,495,121.65
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Solution
The fourth proportional to 239,734,370,639.17, 330,791,383,365.12 and 136,804,495,121.65 is: 188,766,208,496.53
Step by Step Solution
- Step 1: Write the proportion equation
239,734,370,639.17 : 330,791,383,365.12 = 136,804,495,121.65 : x - Step 2: Convert to fraction form
239,734,370,639.17/330,791,383,365.12 = 136,804,495,121.65/x - Step 3: Cross multiply
239,734,370,639.17x = 330,791,383,365.12 × 136,804,495,121.65 - Step 4: Simplify right side
239,734,370,639.17x = 45,253,748,191,857,414,766,592 - Step 5: Solve for x
x = 45,253,748,191,857,414,766,592/239,734,370,639.17 - Step 6: Final answer
x = 188,766,208,496.53
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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.