Finding the Fourth Proportional to 272,791,649.58, 409,446,167.52 and 168,846,430.08
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Solution
The fourth proportional to 272,791,649.58, 409,446,167.52 and 168,846,430.08 is: 253,429,765.18
Step by Step Solution
- Step 1: Write the proportion equation
272,791,649.58 : 409,446,167.52 = 168,846,430.08 : x - Step 2: Convert to fraction form
272,791,649.58/409,446,167.52 = 168,846,430.08/x - Step 3: Cross multiply
272,791,649.58x = 409,446,167.52 × 168,846,430.08 - Step 4: Simplify right side
272,791,649.58x = 69,133,523,695,689,648 - Step 5: Solve for x
x = 69,133,523,695,689,648/272,791,649.58 - Step 6: Final answer
x = 253,429,765.18
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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.