Finding the Fourth Proportional to 87,161,113.74, 120,280,869.63 and 48,006,536.70
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Solution
The fourth proportional to 87,161,113.74, 120,280,869.63 and 48,006,536.70 is: 66,248,212.47
Step by Step Solution
- Step 1: Write the proportion equation
87,161,113.74 : 120,280,869.63 = 48,006,536.70 : x - Step 2: Convert to fraction form
87,161,113.74/120,280,869.63 = 48,006,536.70/x - Step 3: Cross multiply
87,161,113.74x = 120,280,869.63 × 48,006,536.70 - Step 4: Simplify right side
87,161,113.74x = 5,774,267,982,200,511 - Step 5: Solve for x
x = 5,774,267,982,200,511/87,161,113.74 - Step 6: Final answer
x = 66,248,212.47
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.