Finding the Fourth Proportional to 38,171,432.70, 53,326,631.70 and 38,171,432.70
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Solution
The fourth proportional to 38,171,432.70, 53,326,631.70 and 38,171,432.70 is: 53,326,631.70
Step by Step Solution
- Step 1: Write the proportion equation
38,171,432.70 : 53,326,631.70 = 38,171,432.70 : x - Step 2: Convert to fraction form
38,171,432.70/53,326,631.70 = 38,171,432.70/x - Step 3: Cross multiply
38,171,432.70x = 53,326,631.70 × 38,171,432.70 - Step 4: Simplify right side
38,171,432.70x = 2,035,553,933,054,236.75 - Step 5: Solve for x
x = 2,035,553,933,054,236.75/38,171,432.70 - Step 6: Final answer
x = 53,326,631.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.