Finding the Fourth Proportional to 145,750,437.98, 218,625,656.99 and 48,706,145.58
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Solution
The fourth proportional to 145,750,437.98, 218,625,656.99 and 48,706,145.58 is: 73,059,218.38
Step by Step Solution
- Step 1: Write the proportion equation
145,750,437.98 : 218,625,656.99 = 48,706,145.58 : x - Step 2: Convert to fraction form
145,750,437.98/218,625,656.99 = 48,706,145.58/x - Step 3: Cross multiply
145,750,437.98x = 218,625,656.99 × 48,706,145.58 - Step 4: Simplify right side
145,750,437.98x = 10,648,413,076,634,554 - Step 5: Solve for x
x = 10,648,413,076,634,554/145,750,437.98 - Step 6: Final answer
x = 73,059,218.38
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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.