Finding the Fourth Proportional to 147,411,595.96, 221,117,467.79 and 50,368,255.05
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Solution
The fourth proportional to 147,411,595.96, 221,117,467.79 and 50,368,255.05 is: 75,552,407.81
Step by Step Solution
- Step 1: Write the proportion equation
147,411,595.96 : 221,117,467.79 = 50,368,255.05 : x - Step 2: Convert to fraction form
147,411,595.96/221,117,467.79 = 50,368,255.05/x - Step 3: Cross multiply
147,411,595.96x = 221,117,467.79 × 50,368,255.05 - Step 4: Simplify right side
147,411,595.96x = 11,137,301,013,656,878 - Step 5: Solve for x
x = 11,137,301,013,656,878/147,411,595.96 - Step 6: Final answer
x = 75,552,407.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.