Finding the Fourth Proportional to 170,561,378.50, 235,374,702.71 and 92,244,931.99
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Solution
The fourth proportional to 170,561,378.50, 235,374,702.71 and 92,244,931.99 is: 127,298,006.35
Step by Step Solution
- Step 1: Write the proportion equation
170,561,378.50 : 235,374,702.71 = 92,244,931.99 : x - Step 2: Convert to fraction form
170,561,378.50/235,374,702.71 = 92,244,931.99/x - Step 3: Cross multiply
170,561,378.50x = 235,374,702.71 × 92,244,931.99 - Step 4: Simplify right side
170,561,378.50x = 21,712,123,443,650,420 - Step 5: Solve for x
x = 21,712,123,443,650,420/170,561,378.50 - Step 6: Final answer
x = 127,298,006.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.