Finding the Fourth Proportional to 216,811,278.05, 299,199,946.16 and 117,692,094.09
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Solution
The fourth proportional to 216,811,278.05, 299,199,946.16 and 117,692,094.09 is: 162,415,297.45
Step by Step Solution
- Step 1: Write the proportion equation
216,811,278.05 : 299,199,946.16 = 117,692,094.09 : x - Step 2: Convert to fraction form
216,811,278.05/299,199,946.16 = 117,692,094.09/x - Step 3: Cross multiply
216,811,278.05x = 299,199,946.16 × 117,692,094.09 - Step 4: Simplify right side
216,811,278.05x = 35,213,468,214,597,192 - Step 5: Solve for x
x = 35,213,468,214,597,192/216,811,278.05 - Step 6: Final answer
x = 162,415,297.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.