Finding the Fourth Proportional to 147,776,548,462.75, 221,642,425,838.60 and 40,219,201,146.05
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Solution
The fourth proportional to 147,776,548,462.75, 221,642,425,838.60 and 40,219,201,146.05 is: 60,322,706,140.00
Step by Step Solution
- Step 1: Write the proportion equation
147,776,548,462.75 : 221,642,425,838.60 = 40,219,201,146.05 : x - Step 2: Convert to fraction form
147,776,548,462.75/221,642,425,838.60 = 40,219,201,146.05/x - Step 3: Cross multiply
147,776,548,462.75x = 221,642,425,838.60 × 40,219,201,146.05 - Step 4: Simplify right side
147,776,548,462.75x = 8,914,281,307,301,567,528,960 - Step 5: Solve for x
x = 8,914,281,307,301,567,528,960/147,776,548,462.75 - Step 6: Final answer
x = 60,322,706,140.00
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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.