Finding the Fourth Proportional to 158,239,814.40, 237,359,721.60 and 97,017,811.20
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Solution
The fourth proportional to 158,239,814.40, 237,359,721.60 and 97,017,811.20 is: 145,526,716.80
Step by Step Solution
- Step 1: Write the proportion equation
158,239,814.40 : 237,359,721.60 = 97,017,811.20 : x - Step 2: Convert to fraction form
158,239,814.40/237,359,721.60 = 97,017,811.20/x - Step 3: Cross multiply
158,239,814.40x = 237,359,721.60 × 97,017,811.20 - Step 4: Simplify right side
158,239,814.40x = 23,028,120,656,673,364 - Step 5: Solve for x
x = 23,028,120,656,673,364/158,239,814.40 - Step 6: Final answer
x = 145,526,716.80
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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.