Finding the Fourth Proportional to 66,283,428.76, 91,513,006.07 and 48,849,408.34
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Solution
The fourth proportional to 66,283,428.76, 91,513,006.07 and 48,849,408.34 is: 67,443,043.99
Step by Step Solution
- Step 1: Write the proportion equation
66,283,428.76 : 91,513,006.07 = 48,849,408.34 : x - Step 2: Convert to fraction form
66,283,428.76/91,513,006.07 = 48,849,408.34/x - Step 3: Cross multiply
66,283,428.76x = 91,513,006.07 × 48,849,408.34 - Step 4: Simplify right side
66,283,428.76x = 4,470,356,201,461,299 - Step 5: Solve for x
x = 4,470,356,201,461,299/66,283,428.76 - Step 6: Final answer
x = 67,443,043.99
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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.