Finding the Fourth Proportional to 139,961,277.23, 209,842,305.28 and 53,626,682.03
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Solution
The fourth proportional to 139,961,277.23, 209,842,305.28 and 53,626,682.03 is: 80,401,856.88
Step by Step Solution
- Step 1: Write the proportion equation
139,961,277.23 : 209,842,305.28 = 53,626,682.03 : x - Step 2: Convert to fraction form
139,961,277.23/209,842,305.28 = 53,626,682.03/x - Step 3: Cross multiply
139,961,277.23x = 209,842,305.28 × 53,626,682.03 - Step 4: Simplify right side
139,961,277.23x = 11,253,146,580,509,472 - Step 5: Solve for x
x = 11,253,146,580,509,472/139,961,277.23 - Step 6: Final answer
x = 80,401,856.88
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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.