Finding the Fourth Proportional to 159,657,415.80, 239,486,123.70 and 102,261,787.80
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Solution
The fourth proportional to 159,657,415.80, 239,486,123.70 and 102,261,787.80 is: 153,392,681.70
Step by Step Solution
- Step 1: Write the proportion equation
159,657,415.80 : 239,486,123.70 = 102,261,787.80 : x - Step 2: Convert to fraction form
159,657,415.80/239,486,123.70 = 102,261,787.80/x - Step 3: Cross multiply
159,657,415.80x = 239,486,123.70 × 102,261,787.80 - Step 4: Simplify right side
159,657,415.80x = 24,490,279,162,853,948 - Step 5: Solve for x
x = 24,490,279,162,853,948/159,657,415.80 - Step 6: Final answer
x = 153,392,681.70
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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.