Finding the Fourth Proportional to 122,142,686.64, 183,213,913.32 and 31,266,129.84
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Solution
The fourth proportional to 122,142,686.64, 183,213,913.32 and 31,266,129.84 is: 46,899,164.90
Step by Step Solution
- Step 1: Write the proportion equation
122,142,686.64 : 183,213,913.32 = 31,266,129.84 : x - Step 2: Convert to fraction form
122,142,686.64/183,213,913.32 = 31,266,129.84/x - Step 3: Cross multiply
122,142,686.64x = 183,213,913.32 × 31,266,129.84 - Step 4: Simplify right side
122,142,686.64x = 5,728,390,002,357,625 - Step 5: Solve for x
x = 5,728,390,002,357,625/122,142,686.64 - Step 6: Final answer
x = 46,899,164.90
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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.