Finding the Fourth Proportional to 79,929,824.02, 110,305,831.80 and 48,984,017.02
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Solution
The fourth proportional to 79,929,824.02, 110,305,831.80 and 48,984,017.02 is: 67,599,582.62
Step by Step Solution
- Step 1: Write the proportion equation
79,929,824.02 : 110,305,831.80 = 48,984,017.02 : x - Step 2: Convert to fraction form
79,929,824.02/110,305,831.80 = 48,984,017.02/x - Step 3: Cross multiply
79,929,824.02x = 110,305,831.80 × 48,984,017.02 - Step 4: Simplify right side
79,929,824.02x = 5,403,222,742,296,457 - Step 5: Solve for x
x = 5,403,222,742,296,457/79,929,824.02 - Step 6: Final answer
x = 67,599,582.62
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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.