Finding the Fourth Proportional to 131,664,755.84, 181,697,359.68 and 72,931,204.62
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Solution
The fourth proportional to 131,664,755.84, 181,697,359.68 and 72,931,204.62 is: 100,645,060.50
Step by Step Solution
- Step 1: Write the proportion equation
131,664,755.84 : 181,697,359.68 = 72,931,204.62 : x - Step 2: Convert to fraction form
131,664,755.84/181,697,359.68 = 72,931,204.62/x - Step 3: Cross multiply
131,664,755.84x = 181,697,359.68 × 72,931,204.62 - Step 4: Simplify right side
131,664,755.84x = 13,251,407,317,224,886 - Step 5: Solve for x
x = 13,251,407,317,224,886/131,664,755.84 - Step 6: Final answer
x = 100,645,060.50
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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.