Finding the Fourth Proportional to 211,909,424.01, 292,252,905.87 and 137,496,661.53
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Solution
The fourth proportional to 211,909,424.01, 292,252,905.87 and 137,496,661.53 is: 189,627,238.46
Step by Step Solution
- Step 1: Write the proportion equation
211,909,424.01 : 292,252,905.87 = 137,496,661.53 : x - Step 2: Convert to fraction form
211,909,424.01/292,252,905.87 = 137,496,661.53/x - Step 3: Cross multiply
211,909,424.01x = 292,252,905.87 × 137,496,661.53 - Step 4: Simplify right side
211,909,424.01x = 40,183,798,879,566,344 - Step 5: Solve for x
x = 40,183,798,879,566,344/211,909,424.01 - Step 6: Final answer
x = 189,627,238.46
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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.