Finding the Fourth Proportional to 173,878,403.40, 260,817,605.10 and 160,740,073.80
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Solution
The fourth proportional to 173,878,403.40, 260,817,605.10 and 160,740,073.80 is: 241,110,110.70
Step by Step Solution
- Step 1: Write the proportion equation
173,878,403.40 : 260,817,605.10 = 160,740,073.80 : x - Step 2: Convert to fraction form
173,878,403.40/260,817,605.10 = 160,740,073.80/x - Step 3: Cross multiply
173,878,403.40x = 260,817,605.10 × 160,740,073.80 - Step 4: Simplify right side
173,878,403.40x = 41,923,841,092,113,256 - Step 5: Solve for x
x = 41,923,841,092,113,256/173,878,403.40 - Step 6: Final answer
x = 241,110,110.70
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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.