Finding the Fourth Proportional to 117,264,043.36, 161,827,358.12 and 64,340,737.08
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Solution
The fourth proportional to 117,264,043.36, 161,827,358.12 and 64,340,737.08 is: 88,791,851.30
Step by Step Solution
- Step 1: Write the proportion equation
117,264,043.36 : 161,827,358.12 = 64,340,737.08 : x - Step 2: Convert to fraction form
117,264,043.36/161,827,358.12 = 64,340,737.08/x - Step 3: Cross multiply
117,264,043.36x = 161,827,358.12 × 64,340,737.08 - Step 4: Simplify right side
117,264,043.36x = 10,412,091,501,149,924 - Step 5: Solve for x
x = 10,412,091,501,149,924/117,264,043.36 - Step 6: Final answer
x = 88,791,851.30
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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.