Finding the Fourth Proportional to 152,880,415.84, 210,962,014.26 and 85,894,129.48
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Solution
The fourth proportional to 152,880,415.84, 210,962,014.26 and 85,894,129.48 is: 118,526,617.48
Step by Step Solution
- Step 1: Write the proportion equation
152,880,415.84 : 210,962,014.26 = 85,894,129.48 : x - Step 2: Convert to fraction form
152,880,415.84/210,962,014.26 = 85,894,129.48/x - Step 3: Cross multiply
152,880,415.84x = 210,962,014.26 × 85,894,129.48 - Step 4: Simplify right side
152,880,415.84x = 18,120,398,568,210,048 - Step 5: Solve for x
x = 18,120,398,568,210,048/152,880,415.84 - Step 6: Final answer
x = 118,526,617.48
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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.