Finding the Fourth Proportional to 293,451,327.80, 440,230,135.80 and 147,517,629.20
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Solution
The fourth proportional to 293,451,327.80, 440,230,135.80 and 147,517,629.20 is: 221,303,159.28
Step by Step Solution
- Step 1: Write the proportion equation
293,451,327.80 : 440,230,135.80 = 147,517,629.20 : x - Step 2: Convert to fraction form
293,451,327.80/440,230,135.80 = 147,517,629.20/x - Step 3: Cross multiply
293,451,327.80x = 440,230,135.80 × 147,517,629.20 - Step 4: Simplify right side
293,451,327.80x = 64,941,705,935,610,040 - Step 5: Solve for x
x = 64,941,705,935,610,040/293,451,327.80 - Step 6: Final answer
x = 221,303,159.28
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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.