Finding the Fourth Proportional to 96,965,879.58, 145,363,657.53 and 39,506,478.66
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Solution
The fourth proportional to 96,965,879.58, 145,363,657.53 and 39,506,478.66 is: 59,225,020.79
Step by Step Solution
- Step 1: Write the proportion equation
96,965,879.58 : 145,363,657.53 = 39,506,478.66 : x - Step 2: Convert to fraction form
96,965,879.58/145,363,657.53 = 39,506,478.66/x - Step 3: Cross multiply
96,965,879.58x = 145,363,657.53 × 39,506,478.66 - Step 4: Simplify right side
96,965,879.58x = 5,742,806,234,148,493 - Step 5: Solve for x
x = 5,742,806,234,148,493/96,965,879.58 - Step 6: Final answer
x = 59,225,020.79
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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.