Finding the Fourth Proportional to 67,715,331.17, 93,455,134.43 and 40,213,259.42
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Solution
The fourth proportional to 67,715,331.17, 93,455,134.43 and 40,213,259.42 is: 55,499,035.44
Step by Step Solution
- Step 1: Write the proportion equation
67,715,331.17 : 93,455,134.43 = 40,213,259.42 : x - Step 2: Convert to fraction form
67,715,331.17/93,455,134.43 = 40,213,259.42/x - Step 3: Cross multiply
67,715,331.17x = 93,455,134.43 × 40,213,259.42 - Step 4: Simplify right side
67,715,331.17x = 3,758,135,564,296,221.50 - Step 5: Solve for x
x = 3,758,135,564,296,221.50/67,715,331.17 - Step 6: Final answer
x = 55,499,035.44
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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.