Finding the Fourth Proportional to 80,866,006.12, 121,353,587.70 and 31,675,757.96
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Solution
The fourth proportional to 80,866,006.12, 121,353,587.70 and 31,675,757.96 is: 47,535,015.71
Step by Step Solution
- Step 1: Write the proportion equation
80,866,006.12 : 121,353,587.70 = 31,675,757.96 : x - Step 2: Convert to fraction form
80,866,006.12/121,353,587.70 = 31,675,757.96/x - Step 3: Cross multiply
80,866,006.12x = 121,353,587.70 × 31,675,757.96 - Step 4: Simplify right side
80,866,006.12x = 3,843,966,871,404,454 - Step 5: Solve for x
x = 3,843,966,871,404,454/80,866,006.12 - Step 6: Final answer
x = 47,535,015.71
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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.