Finding the Fourth Proportional to 186,437,648.79, 279,657,357.75 and 57,045,052.53
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Solution
The fourth proportional to 186,437,648.79, 279,657,357.75 and 57,045,052.53 is: 85,567,849.45
Step by Step Solution
- Step 1: Write the proportion equation
186,437,648.79 : 279,657,357.75 = 57,045,052.53 : x - Step 2: Convert to fraction form
186,437,648.79/279,657,357.75 = 57,045,052.53/x - Step 3: Cross multiply
186,437,648.79x = 279,657,357.75 × 57,045,052.53 - Step 4: Simplify right side
186,437,648.79x = 15,953,068,663,249,752 - Step 5: Solve for x
x = 15,953,068,663,249,752/186,437,648.79 - Step 6: Final answer
x = 85,567,849.45
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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.