Finding the Fourth Proportional to 83,038,476.80, 124,557,715.20 and 44,296,427.90
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Solution
The fourth proportional to 83,038,476.80, 124,557,715.20 and 44,296,427.90 is: 66,444,641.85
Step by Step Solution
- Step 1: Write the proportion equation
83,038,476.80 : 124,557,715.20 = 44,296,427.90 : x - Step 2: Convert to fraction form
83,038,476.80/124,557,715.20 = 44,296,427.90/x - Step 3: Cross multiply
83,038,476.80x = 124,557,715.20 × 44,296,427.90 - Step 4: Simplify right side
83,038,476.80x = 5,517,461,850,745,534 - Step 5: Solve for x
x = 5,517,461,850,745,534/83,038,476.80 - Step 6: Final answer
x = 66,444,641.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.