Finding the Fourth Proportional to 221,242,479.24, 331,961,620.20 and 116,173,106.52
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Solution
The fourth proportional to 221,242,479.24, 331,961,620.20 and 116,173,106.52 is: 174,311,067.19
Step by Step Solution
- Step 1: Write the proportion equation
221,242,479.24 : 331,961,620.20 = 116,173,106.52 : x - Step 2: Convert to fraction form
221,242,479.24/331,961,620.20 = 116,173,106.52/x - Step 3: Cross multiply
221,242,479.24x = 331,961,620.20 × 116,173,106.52 - Step 4: Simplify right side
221,242,479.24x = 38,565,012,664,046,384 - Step 5: Solve for x
x = 38,565,012,664,046,384/221,242,479.24 - Step 6: Final answer
x = 174,311,067.19
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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.