Finding the Fourth Proportional to 299,221,098.20, 448,453,733.70 and 145,536,234.20
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Solution
The fourth proportional to 299,221,098.20, 448,453,733.70 and 145,536,234.20 is: 218,120,540.32
Step by Step Solution
- Step 1: Write the proportion equation
299,221,098.20 : 448,453,733.70 = 145,536,234.20 : x - Step 2: Convert to fraction form
299,221,098.20/448,453,733.70 = 145,536,234.20/x - Step 3: Cross multiply
299,221,098.20x = 448,453,733.70 × 145,536,234.20 - Step 4: Simplify right side
299,221,098.20x = 65,266,267,615,627,624 - Step 5: Solve for x
x = 65,266,267,615,627,624/299,221,098.20 - Step 6: Final answer
x = 218,120,540.32
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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.