Finding the Fourth Proportional to 217,771,389.96, 326,656,787.13 and 101,122,959.21
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Solution
The fourth proportional to 217,771,389.96, 326,656,787.13 and 101,122,959.21 is: 151,684,300.53
Step by Step Solution
- Step 1: Write the proportion equation
217,771,389.96 : 326,656,787.13 = 101,122,959.21 : x - Step 2: Convert to fraction form
217,771,389.96/326,656,787.13 = 101,122,959.21/x - Step 3: Cross multiply
217,771,389.96x = 326,656,787.13 × 101,122,959.21 - Step 4: Simplify right side
217,771,389.96x = 33,032,500,960,616,640 - Step 5: Solve for x
x = 33,032,500,960,616,640/217,771,389.96 - Step 6: Final answer
x = 151,684,300.53
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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.