Finding the Fourth Proportional to 197,216,708.36, 272,246,230.91 and 117,859,773.11
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Solution
The fourth proportional to 197,216,708.36, 272,246,230.91 and 117,859,773.11 is: 162,698,583.05
Step by Step Solution
- Step 1: Write the proportion equation
197,216,708.36 : 272,246,230.91 = 117,859,773.11 : x - Step 2: Convert to fraction form
197,216,708.36/272,246,230.91 = 117,859,773.11/x - Step 3: Cross multiply
197,216,708.36x = 272,246,230.91 × 117,859,773.11 - Step 4: Simplify right side
197,216,708.36x = 32,086,879,004,038,692 - Step 5: Solve for x
x = 32,086,879,004,038,692/197,216,708.36 - Step 6: Final answer
x = 162,698,583.05
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.