Finding the Fourth Proportional to 195,082,776.48, 292,551,257.52 and 78,458,768.70
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Solution
The fourth proportional to 195,082,776.48, 292,551,257.52 and 78,458,768.70 is: 117,658,831.09
Step by Step Solution
- Step 1: Write the proportion equation
195,082,776.48 : 292,551,257.52 = 78,458,768.70 : x - Step 2: Convert to fraction form
195,082,776.48/292,551,257.52 = 78,458,768.70/x - Step 3: Cross multiply
195,082,776.48x = 292,551,257.52 × 78,458,768.70 - Step 4: Simplify right side
195,082,776.48x = 22,953,211,446,655,816 - Step 5: Solve for x
x = 22,953,211,446,655,816/195,082,776.48 - Step 6: Final answer
x = 117,658,831.09
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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.