Finding the Fourth Proportional to 331,945,565.11, 458,125,048.74 and 188,926,101.31
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Solution
The fourth proportional to 331,945,565.11, 458,125,048.74 and 188,926,101.31 is: 260,740,881.84
Step by Step Solution
- Step 1: Write the proportion equation
331,945,565.11 : 458,125,048.74 = 188,926,101.31 : x - Step 2: Convert to fraction form
331,945,565.11/458,125,048.74 = 188,926,101.31/x - Step 3: Cross multiply
331,945,565.11x = 458,125,048.74 × 188,926,101.31 - Step 4: Simplify right side
331,945,565.11x = 86,551,779,370,901,936 - Step 5: Solve for x
x = 86,551,779,370,901,936/331,945,565.11 - Step 6: Final answer
x = 260,740,881.84
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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.