Finding the Fourth Proportional to 119,011,374.19, 178,435,564.10 and 60,605,995.99
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Solution
The fourth proportional to 119,011,374.19, 178,435,564.10 and 60,605,995.99 is: 90,867,491.91
Step by Step Solution
- Step 1: Write the proportion equation
119,011,374.19 : 178,435,564.10 = 60,605,995.99 : x - Step 2: Convert to fraction form
119,011,374.19/178,435,564.10 = 60,605,995.99/x - Step 3: Cross multiply
119,011,374.19x = 178,435,564.10 × 60,605,995.99 - Step 4: Simplify right side
119,011,374.19x = 10,814,265,081,568,868 - Step 5: Solve for x
x = 10,814,265,081,568,868/119,011,374.19 - Step 6: Final answer
x = 90,867,491.91
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.