Finding the Fourth Proportional to 158,239,782.40, 237,359,673.60 and 97,017,779.20
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Solution
The fourth proportional to 158,239,782.40, 237,359,673.60 and 97,017,779.20 is: 145,526,668.80
Step by Step Solution
- Step 1: Write the proportion equation
158,239,782.40 : 237,359,673.60 = 97,017,779.20 : x - Step 2: Convert to fraction form
158,239,782.40/237,359,673.60 = 97,017,779.20/x - Step 3: Cross multiply
158,239,782.40x = 237,359,673.60 × 97,017,779.20 - Step 4: Simplify right side
158,239,782.40x = 23,028,108,404,308,868 - Step 5: Solve for x
x = 23,028,108,404,308,868/158,239,782.40 - Step 6: Final answer
x = 145,526,668.80
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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.