Finding the Fourth Proportional to 100,509,429.73, 138,706,381.05 and 55,857,283.49
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Solution
The fourth proportional to 100,509,429.73, 138,706,381.05 and 55,857,283.49 is: 77,084,922.97
Step by Step Solution
- Step 1: Write the proportion equation
100,509,429.73 : 138,706,381.05 = 55,857,283.49 : x - Step 2: Convert to fraction form
100,509,429.73/138,706,381.05 = 55,857,283.49/x - Step 3: Cross multiply
100,509,429.73x = 138,706,381.05 × 55,857,283.49 - Step 4: Simplify right side
100,509,429.73x = 7,747,761,648,528,580 - Step 5: Solve for x
x = 7,747,761,648,528,580/100,509,429.73 - Step 6: Final answer
x = 77,084,922.97
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.