Finding the Fourth Proportional to 117,117,788.02, 161,622,552.09 and 64,914,671.14
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Solution
The fourth proportional to 117,117,788.02, 161,622,552.09 and 64,914,671.14 is: 89,582,248.74
Step by Step Solution
- Step 1: Write the proportion equation
117,117,788.02 : 161,622,552.09 = 64,914,671.14 : x - Step 2: Convert to fraction form
117,117,788.02/161,622,552.09 = 64,914,671.14/x - Step 3: Cross multiply
117,117,788.02x = 161,622,552.09 × 64,914,671.14 - Step 4: Simplify right side
117,117,788.02x = 10,491,674,817,729,870 - Step 5: Solve for x
x = 10,491,674,817,729,870/117,117,788.02 - Step 6: Final answer
x = 89,582,248.74
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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.