Finding the Fourth Proportional to 371,437,106.79, 557,168,053.37 and 166,965,787.11
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Solution
The fourth proportional to 371,437,106.79, 557,168,053.37 and 166,965,787.11 is: 250,454,251.56
Step by Step Solution
- Step 1: Write the proportion equation
371,437,106.79 : 557,168,053.37 = 166,965,787.11 : x - Step 2: Convert to fraction form
371,437,106.79/557,168,053.37 = 166,965,787.11/x - Step 3: Cross multiply
371,437,106.79x = 557,168,053.37 × 166,965,787.11 - Step 4: Simplify right side
371,437,106.79x = 93,028,002,582,633,712 - Step 5: Solve for x
x = 93,028,002,582,633,712/371,437,106.79 - Step 6: Final answer
x = 250,454,251.56
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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.