Finding the Fourth Proportional to 162,623,272.32, 243,934,901.63 and 47,607,814.19
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Solution
The fourth proportional to 162,623,272.32, 243,934,901.63 and 47,607,814.19 is: 71,411,719.28
Step by Step Solution
- Step 1: Write the proportion equation
162,623,272.32 : 243,934,901.63 = 47,607,814.19 : x - Step 2: Convert to fraction form
162,623,272.32/243,934,901.63 = 47,607,814.19/x - Step 3: Cross multiply
162,623,272.32x = 243,934,901.63 × 47,607,814.19 - Step 4: Simplify right side
162,623,272.32x = 11,613,207,471,807,296 - Step 5: Solve for x
x = 11,613,207,471,807,296/162,623,272.32 - Step 6: Final answer
x = 71,411,719.28
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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.