Finding the Fourth Proportional to 97,285,685,554.41, 145,950,532,613.42 and 52,516,221,321.75
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Solution
The fourth proportional to 97,285,685,554.41, 145,950,532,613.42 and 52,516,221,321.75 is: 78,786,210,212.47
Step by Step Solution
- Step 1: Write the proportion equation
97,285,685,554.41 : 145,950,532,613.42 = 52,516,221,321.75 : x - Step 2: Convert to fraction form
97,285,685,554.41/145,950,532,613.42 = 52,516,221,321.75/x - Step 3: Cross multiply
97,285,685,554.41x = 145,950,532,613.42 × 52,516,221,321.75 - Step 4: Simplify right side
97,285,685,554.41x = 7,664,770,472,753,656,496,128 - Step 5: Solve for x
x = 7,664,770,472,753,656,496,128/97,285,685,554.41 - Step 6: Final answer
x = 78,786,210,212.47
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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.