Finding the Fourth Proportional to 89,943,095.58, 124,121,868.03 and 48,689,987.96
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Solution
The fourth proportional to 89,943,095.58, 124,121,868.03 and 48,689,987.96 is: 67,192,397.82
Step by Step Solution
- Step 1: Write the proportion equation
89,943,095.58 : 124,121,868.03 = 48,689,987.96 : x - Step 2: Convert to fraction form
89,943,095.58/124,121,868.03 = 48,689,987.96/x - Step 3: Cross multiply
89,943,095.58x = 124,121,868.03 × 48,689,987.96 - Step 4: Simplify right side
89,943,095.58x = 6,043,492,259,089,350 - Step 5: Solve for x
x = 6,043,492,259,089,350/89,943,095.58 - Step 6: Final answer
x = 67,192,397.82
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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.