Finding the Fourth Proportional to 109,653,770.20, 164,480,655.30 and 97,749,491.80
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Solution
The fourth proportional to 109,653,770.20, 164,480,655.30 and 97,749,491.80 is: 146,624,237.70
Step by Step Solution
- Step 1: Write the proportion equation
109,653,770.20 : 164,480,655.30 = 97,749,491.80 : x - Step 2: Convert to fraction form
109,653,770.20/164,480,655.30 = 97,749,491.80/x - Step 3: Cross multiply
109,653,770.20x = 164,480,655.30 × 97,749,491.80 - Step 4: Simplify right side
109,653,770.20x = 16,077,900,466,505,978 - Step 5: Solve for x
x = 16,077,900,466,505,978/109,653,770.20 - Step 6: Final answer
x = 146,624,237.70
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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.