Finding the Fourth Proportional to 91,899,122,297.70, 137,862,936,038.07 and 38,840,378,808.18
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Solution
The fourth proportional to 91,899,122,297.70, 137,862,936,038.07 and 38,840,378,808.18 is: 58,266,591,948.29
Step by Step Solution
- Step 1: Write the proportion equation
91,899,122,297.70 : 137,862,936,038.07 = 38,840,378,808.18 : x - Step 2: Convert to fraction form
91,899,122,297.70/137,862,936,038.07 = 38,840,378,808.18/x - Step 3: Cross multiply
91,899,122,297.70x = 137,862,936,038.07 × 38,840,378,808.18 - Step 4: Simplify right side
91,899,122,297.70x = 5,354,648,659,326,529,437,696 - Step 5: Solve for x
x = 5,354,648,659,326,529,437,696/91,899,122,297.70 - Step 6: Final answer
x = 58,266,591,948.29
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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.