Finding the Fourth Proportional to 256,427,523.96, 384,677,211.06 and 83,917,897.08
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Solution
The fourth proportional to 256,427,523.96, 384,677,211.06 and 83,917,897.08 is: 125,888,602.39
Step by Step Solution
- Step 1: Write the proportion equation
256,427,523.96 : 384,677,211.06 = 83,917,897.08 : x - Step 2: Convert to fraction form
256,427,523.96/384,677,211.06 = 83,917,897.08/x - Step 3: Cross multiply
256,427,523.96x = 384,677,211.06 × 83,917,897.08 - Step 4: Simplify right side
256,427,523.96x = 32,281,302,606,754,516 - Step 5: Solve for x
x = 32,281,302,606,754,516/256,427,523.96 - Step 6: Final answer
x = 125,888,602.39
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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.