Finding the Fourth Proportional to 324,187,621.20, 486,281,431.80 and 97,252,837.20
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Solution
The fourth proportional to 324,187,621.20, 486,281,431.80 and 97,252,837.20 is: 145,879,255.80
Step by Step Solution
- Step 1: Write the proportion equation
324,187,621.20 : 486,281,431.80 = 97,252,837.20 : x - Step 2: Convert to fraction form
324,187,621.20/486,281,431.80 = 97,252,837.20/x - Step 3: Cross multiply
324,187,621.20x = 486,281,431.80 × 97,252,837.20 - Step 4: Simplify right side
324,187,621.20x = 47,292,248,920,228,304 - Step 5: Solve for x
x = 47,292,248,920,228,304/324,187,621.20 - Step 6: Final answer
x = 145,879,255.80
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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.