Finding the Fourth Proportional to 89,774,551.88, 123,888,825.62 and 48,521,444.26
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Solution
The fourth proportional to 89,774,551.88, 123,888,825.62 and 48,521,444.26 is: 66,959,562.82
Step by Step Solution
- Step 1: Write the proportion equation
89,774,551.88 : 123,888,825.62 = 48,521,444.26 : x - Step 2: Convert to fraction form
89,774,551.88/123,888,825.62 = 48,521,444.26/x - Step 3: Cross multiply
89,774,551.88x = 123,888,825.62 × 48,521,444.26 - Step 4: Simplify right side
89,774,551.88x = 6,011,264,746,892,784 - Step 5: Solve for x
x = 6,011,264,746,892,784/89,774,551.88 - Step 6: Final answer
x = 66,959,562.82
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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.