Finding the Fourth Proportional to 239,734,370,638.17, 330,791,383,363.74 and 136,804,495,120.65
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Solution
The fourth proportional to 239,734,370,638.17, 330,791,383,363.74 and 136,804,495,120.65 is: 188,766,208,495.15
Step by Step Solution
- Step 1: Write the proportion equation
239,734,370,638.17 : 330,791,383,363.74 = 136,804,495,120.65 : x - Step 2: Convert to fraction form
239,734,370,638.17/330,791,383,363.74 = 136,804,495,120.65/x - Step 3: Cross multiply
239,734,370,638.17x = 330,791,383,363.74 × 136,804,495,120.65 - Step 4: Simplify right side
239,734,370,638.17x = 45,253,748,191,337,832,775,680 - Step 5: Solve for x
x = 45,253,748,191,337,832,775,680/239,734,370,638.17 - Step 6: Final answer
x = 188,766,208,495.15
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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.