Finding the Fourth Proportional to 64,653,879.84, 89,224,436 and 36,775,875.36
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Solution
The fourth proportional to 64,653,879.84, 89,224,436 and 36,775,875.36 is: 50,751,892.16
Step by Step Solution
- Step 1: Write the proportion equation
64,653,879.84 : 89,224,436 = 36,775,875.36 : x - Step 2: Convert to fraction form
64,653,879.84/89,224,436 = 36,775,875.36/x - Step 3: Cross multiply
64,653,879.84x = 89,224,436 × 36,775,875.36 - Step 4: Simplify right side
64,653,879.84x = 3,281,306,737,402,297 - Step 5: Solve for x
x = 3,281,306,737,402,297/64,653,879.84 - Step 6: Final answer
x = 50,751,892.16
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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.