Finding the Fourth Proportional to 144,126,351.57, 216,405,253.05 and 124,755,655.17
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Solution
The fourth proportional to 144,126,351.57, 216,405,253.05 and 124,755,655.17 is: 187,320,214.74
Step by Step Solution
- Step 1: Write the proportion equation
144,126,351.57 : 216,405,253.05 = 124,755,655.17 : x - Step 2: Convert to fraction form
144,126,351.57/216,405,253.05 = 124,755,655.17/x - Step 3: Cross multiply
144,126,351.57x = 216,405,253.05 × 124,755,655.17 - Step 4: Simplify right side
144,126,351.57x = 26,997,779,126,482,392 - Step 5: Solve for x
x = 26,997,779,126,482,392/144,126,351.57 - Step 6: Final answer
x = 187,320,214.74
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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.