Finding the Fourth Proportional to 149,169,965.70, 223,377,034.95 and 118,936,877.70
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Solution
The fourth proportional to 149,169,965.70, 223,377,034.95 and 118,936,877.70 is: 178,103,996.75
Step by Step Solution
- Step 1: Write the proportion equation
149,169,965.70 : 223,377,034.95 = 118,936,877.70 : x - Step 2: Convert to fraction form
149,169,965.70/223,377,034.95 = 118,936,877.70/x - Step 3: Cross multiply
149,169,965.70x = 223,377,034.95 × 118,936,877.70 - Step 4: Simplify right side
149,169,965.70x = 26,567,767,086,836,776 - Step 5: Solve for x
x = 26,567,767,086,836,776/149,169,965.70 - Step 6: Final answer
x = 178,103,996.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.