Finding the Fourth Proportional to 207,224,905.84, 286,099,428.63 and 131,913,727.05
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Solution
The fourth proportional to 207,224,905.84, 286,099,428.63 and 131,913,727.05 is: 182,123,098.50
Step by Step Solution
- Step 1: Write the proportion equation
207,224,905.84 : 286,099,428.63 = 131,913,727.05 : x - Step 2: Convert to fraction form
207,224,905.84/286,099,428.63 = 131,913,727.05/x - Step 3: Cross multiply
207,224,905.84x = 286,099,428.63 × 131,913,727.05 - Step 4: Simplify right side
207,224,905.84x = 37,740,441,936,674,232 - Step 5: Solve for x
x = 37,740,441,936,674,232/207,224,905.84 - Step 6: Final answer
x = 182,123,098.50
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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.