Finding the Fourth Proportional to 96,813,881.30, 145,220,821.95 and 84,869,945.30
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Solution
The fourth proportional to 96,813,881.30, 145,220,821.95 and 84,869,945.30 is: 127,304,917.95
Step by Step Solution
- Step 1: Write the proportion equation
96,813,881.30 : 145,220,821.95 = 84,869,945.30 : x - Step 2: Convert to fraction form
96,813,881.30/145,220,821.95 = 84,869,945.30/x - Step 3: Cross multiply
96,813,881.30x = 145,220,821.95 × 84,869,945.30 - Step 4: Simplify right side
96,813,881.30x = 12,324,883,215,317,538 - Step 5: Solve for x
x = 12,324,883,215,317,538/96,813,881.30 - Step 6: Final answer
x = 127,304,917.95
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1.5x scale
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.