Finding the Fourth Proportional to 194,387,439.84, 291,788,652.94 and 83,777,696.86
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Solution
The fourth proportional to 194,387,439.84, 291,788,652.94 and 83,777,696.86 is: 125,755,971.34
Step by Step Solution
- Step 1: Write the proportion equation
194,387,439.84 : 291,788,652.94 = 83,777,696.86 : x - Step 2: Convert to fraction form
194,387,439.84/291,788,652.94 = 83,777,696.86/x - Step 3: Cross multiply
194,387,439.84x = 291,788,652.94 × 83,777,696.86 - Step 4: Simplify right side
194,387,439.84x = 24,445,381,313,195,068 - Step 5: Solve for x
x = 24,445,381,313,195,068/194,387,439.84 - Step 6: Final answer
x = 125,755,971.34
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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.