Finding the Fourth Proportional to 65,217,721.30, 97,814,140.35 and 19,780,998.10
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Solution
The fourth proportional to 65,217,721.30, 97,814,140.35 and 19,780,998.10 is: 29,667,723.52
Step by Step Solution
- Step 1: Write the proportion equation
65,217,721.30 : 97,814,140.35 = 19,780,998.10 : x - Step 2: Convert to fraction form
65,217,721.30/97,814,140.35 = 19,780,998.10/x - Step 3: Cross multiply
65,217,721.30x = 97,814,140.35 × 19,780,998.10 - Step 4: Simplify right side
65,217,721.30x = 1,934,861,324,416,483.25 - Step 5: Solve for x
x = 1,934,861,324,416,483.25/65,217,721.30 - Step 6: Final answer
x = 29,667,723.52
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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.