Finding the Fourth Proportional to 143,337,234.42, 213,959,435.37 and 122,997,658.71
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Solution
The fourth proportional to 143,337,234.42, 213,959,435.37 and 122,997,658.71 is: 183,598,558.43
Step by Step Solution
- Step 1: Write the proportion equation
143,337,234.42 : 213,959,435.37 = 122,997,658.71 : x - Step 2: Convert to fraction form
143,337,234.42/213,959,435.37 = 122,997,658.71/x - Step 3: Cross multiply
143,337,234.42x = 213,959,435.37 × 122,997,658.71 - Step 4: Simplify right side
143,337,234.42x = 26,316,509,609,423,560 - Step 5: Solve for x
x = 26,316,509,609,423,560/143,337,234.42 - Step 6: Final answer
x = 183,598,558.43
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.