Finding the Fourth Proportional to 144,828,981.10, 217,495,414.05 and 76,804,533.10
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Solution
The fourth proportional to 144,828,981.10, 217,495,414.05 and 76,804,533.10 is: 115,340,407.70
Step by Step Solution
- Step 1: Write the proportion equation
144,828,981.10 : 217,495,414.05 = 76,804,533.10 : x - Step 2: Convert to fraction form
144,828,981.10/217,495,414.05 = 76,804,533.10/x - Step 3: Cross multiply
144,828,981.10x = 217,495,414.05 × 76,804,533.10 - Step 4: Simplify right side
144,828,981.10x = 16,704,633,727,501,430 - Step 5: Solve for x
x = 16,704,633,727,501,430/144,828,981.10 - Step 6: Final answer
x = 115,340,407.70
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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.