Finding the Fourth Proportional to 169,778,117.80, 254,667,176.70 and 48,609,569.80
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Solution
The fourth proportional to 169,778,117.80, 254,667,176.70 and 48,609,569.80 is: 72,914,354.70
Step by Step Solution
- Step 1: Write the proportion equation
169,778,117.80 : 254,667,176.70 = 48,609,569.80 : x - Step 2: Convert to fraction form
169,778,117.80/254,667,176.70 = 48,609,569.80/x - Step 3: Cross multiply
169,778,117.80x = 254,667,176.70 × 48,609,569.80 - Step 4: Simplify right side
169,778,117.80x = 12,379,261,901,567,582 - Step 5: Solve for x
x = 12,379,261,901,567,582/169,778,117.80 - Step 6: Final answer
x = 72,914,354.70
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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.