Finding the Fourth Proportional to 227,141,679.80, 340,712,519.70 and 97,811,247.80
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Solution
The fourth proportional to 227,141,679.80, 340,712,519.70 and 97,811,247.80 is: 146,716,871.70
Step by Step Solution
- Step 1: Write the proportion equation
227,141,679.80 : 340,712,519.70 = 97,811,247.80 : x - Step 2: Convert to fraction form
227,141,679.80/340,712,519.70 = 97,811,247.80/x - Step 3: Cross multiply
227,141,679.80x = 340,712,519.70 × 97,811,247.80 - Step 4: Simplify right side
227,141,679.80x = 33,325,516,692,939,080 - Step 5: Solve for x
x = 33,325,516,692,939,080/227,141,679.80 - Step 6: Final answer
x = 146,716,871.70
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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.