Finding the Fourth Proportional to 93,394,214.10, 128,895,903.99 and 54,228,193.38
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Solution
The fourth proportional to 93,394,214.10, 128,895,903.99 and 54,228,193.38 is: 74,841,809.79
Step by Step Solution
- Step 1: Write the proportion equation
93,394,214.10 : 128,895,903.99 = 54,228,193.38 : x - Step 2: Convert to fraction form
93,394,214.10/128,895,903.99 = 54,228,193.38/x - Step 3: Cross multiply
93,394,214.10x = 128,895,903.99 × 54,228,193.38 - Step 4: Simplify right side
93,394,214.10x = 6,989,792,007,459,634 - Step 5: Solve for x
x = 6,989,792,007,459,634/93,394,214.10 - Step 6: Final answer
x = 74,841,809.79
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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.