Finding the Fourth Proportional to 210,922,652.97, 316,268,388.09 and 65,315,790.54
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Solution
The fourth proportional to 210,922,652.97, 316,268,388.09 and 65,315,790.54 is: 97,937,890.98
Step by Step Solution
- Step 1: Write the proportion equation
210,922,652.97 : 316,268,388.09 = 65,315,790.54 : x - Step 2: Convert to fraction form
210,922,652.97/316,268,388.09 = 65,315,790.54/x - Step 3: Cross multiply
210,922,652.97x = 316,268,388.09 × 65,315,790.54 - Step 4: Simplify right side
210,922,652.97x = 20,657,319,790,909,868 - Step 5: Solve for x
x = 20,657,319,790,909,868/210,922,652.97 - Step 6: Final answer
x = 97,937,890.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.