Finding the Fourth Proportional to 96,813,871.80, 145,220,807.70 and 84,869,935.80
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Solution
The fourth proportional to 96,813,871.80, 145,220,807.70 and 84,869,935.80 is: 127,304,903.70
Step by Step Solution
- Step 1: Write the proportion equation
96,813,871.80 : 145,220,807.70 = 84,869,935.80 : x - Step 2: Convert to fraction form
96,813,871.80/145,220,807.70 = 84,869,935.80/x - Step 3: Cross multiply
96,813,871.80x = 145,220,807.70 × 84,869,935.80 - Step 4: Simplify right side
96,813,871.80x = 12,324,880,626,323,144 - Step 5: Solve for x
x = 12,324,880,626,323,144/96,813,871.80 - Step 6: Final answer
x = 127,304,903.70
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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.