Finding the Fourth Proportional to 286,046,028.36, 429,072,979.08 and 81,574,125.48
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Solution
The fourth proportional to 286,046,028.36, 429,072,979.08 and 81,574,125.48 is: 122,362,310.84
Step by Step Solution
- Step 1: Write the proportion equation
286,046,028.36 : 429,072,979.08 = 81,574,125.48 : x - Step 2: Convert to fraction form
286,046,028.36/429,072,979.08 = 81,574,125.48/x - Step 3: Cross multiply
286,046,028.36x = 429,072,979.08 × 81,574,125.48 - Step 4: Simplify right side
286,046,028.36x = 35,001,253,035,549,336 - Step 5: Solve for x
x = 35,001,253,035,549,336/286,046,028.36 - Step 6: Final answer
x = 122,362,310.84
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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.