Finding the Fourth Proportional to 79,043,328, 109,079,792.64 and 42,867,456
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Solution
The fourth proportional to 79,043,328, 109,079,792.64 and 42,867,456 is: 59,157,089.28
Step by Step Solution
- Step 1: Write the proportion equation
79,043,328 : 109,079,792.64 = 42,867,456 : x - Step 2: Convert to fraction form
79,043,328/109,079,792.64 = 42,867,456/x - Step 3: Cross multiply
79,043,328x = 109,079,792.64 × 42,867,456 - Step 4: Simplify right side
79,043,328x = 4,675,973,211,484,324 - Step 5: Solve for x
x = 4,675,973,211,484,324/79,043,328 - Step 6: Final answer
x = 59,157,089.28
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.