Finding the Fourth Proportional to 91,081,854.50, 136,622,671.79 and 29,670,913.02
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Solution
The fourth proportional to 91,081,854.50, 136,622,671.79 and 29,670,913.02 is: 44,506,333.72
Step by Step Solution
- Step 1: Write the proportion equation
91,081,854.50 : 136,622,671.79 = 29,670,913.02 : x - Step 2: Convert to fraction form
91,081,854.50/136,622,671.79 = 29,670,913.02/x - Step 3: Cross multiply
91,081,854.50x = 136,622,671.79 × 29,670,913.02 - Step 4: Simplify right side
91,081,854.50x = 4,053,719,411,605,078 - Step 5: Solve for x
x = 4,053,719,411,605,078/91,081,854.50 - Step 6: Final answer
x = 44,506,333.72
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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.