Finding the Fourth Proportional to 88,725,637.28, 122,441,754.90 and 48,492,445.64
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Solution
The fourth proportional to 88,725,637.28, 122,441,754.90 and 48,492,445.64 is: 66,919,780.19
Step by Step Solution
- Step 1: Write the proportion equation
88,725,637.28 : 122,441,754.90 = 48,492,445.64 : x - Step 2: Convert to fraction form
88,725,637.28/122,441,754.90 = 48,492,445.64/x - Step 3: Cross multiply
88,725,637.28x = 122,441,754.90 × 48,492,445.64 - Step 4: Simplify right side
88,725,637.28x = 5,937,500,143,554,454 - Step 5: Solve for x
x = 5,937,500,143,554,454/88,725,637.28 - Step 6: Final answer
x = 66,919,780.19
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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.