Finding the Fourth Proportional to 292,119,141.56, 403,129,372.84 and 159,958,031.72
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Solution
The fourth proportional to 292,119,141.56, 403,129,372.84 and 159,958,031.72 is: 220,744,798.38
Step by Step Solution
- Step 1: Write the proportion equation
292,119,141.56 : 403,129,372.84 = 159,958,031.72 : x - Step 2: Convert to fraction form
292,119,141.56/403,129,372.84 = 159,958,031.72/x - Step 3: Cross multiply
292,119,141.56x = 403,129,372.84 × 159,958,031.72 - Step 4: Simplify right side
292,119,141.56x = 64,483,781,005,588,880 - Step 5: Solve for x
x = 64,483,781,005,588,880/292,119,141.56 - Step 6: Final answer
x = 220,744,798.38
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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.