Finding the Fourth Proportional to 102,641,822.26, 141,644,541.74 and 55,598,008.84
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Solution
The fourth proportional to 102,641,822.26, 141,644,541.74 and 55,598,008.84 is: 76,724,616.83
Step by Step Solution
- Step 1: Write the proportion equation
102,641,822.26 : 141,644,541.74 = 55,598,008.84 : x - Step 2: Convert to fraction form
102,641,822.26/141,644,541.74 = 55,598,008.84/x - Step 3: Cross multiply
102,641,822.26x = 141,644,541.74 × 55,598,008.84 - Step 4: Simplify right side
102,641,822.26x = 7,875,154,483,520,280 - Step 5: Solve for x
x = 7,875,154,483,520,280/102,641,822.26 - Step 6: Final answer
x = 76,724,616.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.