Finding the Fourth Proportional to 186,421,235.08, 279,621,707.80 and 57,028,845.28
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Solution
The fourth proportional to 186,421,235.08, 279,621,707.80 and 57,028,845.28 is: 85,540,164.48
Step by Step Solution
- Step 1: Write the proportion equation
186,421,235.08 : 279,621,707.80 = 57,028,845.28 : x - Step 2: Convert to fraction form
186,421,235.08/279,621,707.80 = 57,028,845.28/x - Step 3: Cross multiply
186,421,235.08x = 279,621,707.80 × 57,028,845.28 - Step 4: Simplify right side
186,421,235.08x = 15,946,503,111,055,570 - Step 5: Solve for x
x = 15,946,503,111,055,570/186,421,235.08 - Step 6: Final answer
x = 85,540,164.48
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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.