Finding the Fourth Proportional to 143,392,691.02, 214,272,742.24 and 107,667,189
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Solution
The fourth proportional to 143,392,691.02, 214,272,742.24 and 107,667,189 is: 160,887,864.45
Step by Step Solution
- Step 1: Write the proportion equation
143,392,691.02 : 214,272,742.24 = 107,667,189 : x - Step 2: Convert to fraction form
143,392,691.02/214,272,742.24 = 107,667,189/x - Step 3: Cross multiply
143,392,691.02x = 214,272,742.24 × 107,667,189 - Step 4: Simplify right side
143,392,691.02x = 23,070,143,836,302,364 - Step 5: Solve for x
x = 23,070,143,836,302,364/143,392,691.02 - Step 6: Final answer
x = 160,887,864.45
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.