Finding the Fourth Proportional to 157,465,121.40, 236,197,682.10 and 66,588,710.40
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Solution
The fourth proportional to 157,465,121.40, 236,197,682.10 and 66,588,710.40 is: 99,883,065.60
Step by Step Solution
- Step 1: Write the proportion equation
157,465,121.40 : 236,197,682.10 = 66,588,710.40 : x - Step 2: Convert to fraction form
157,465,121.40/236,197,682.10 = 66,588,710.40/x - Step 3: Cross multiply
157,465,121.40x = 236,197,682.10 × 66,588,710.40 - Step 4: Simplify right side
157,465,121.40x = 15,728,099,050,508,164 - Step 5: Solve for x
x = 15,728,099,050,508,164/157,465,121.40 - Step 6: Final answer
x = 99,883,065.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.