Finding the Fourth Proportional to 165,351,567.40, 248,027,351.10 and 129,480,437.80
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Solution
The fourth proportional to 165,351,567.40, 248,027,351.10 and 129,480,437.80 is: 194,220,656.70
Step by Step Solution
- Step 1: Write the proportion equation
165,351,567.40 : 248,027,351.10 = 129,480,437.80 : x - Step 2: Convert to fraction form
165,351,567.40/248,027,351.10 = 129,480,437.80/x - Step 3: Cross multiply
165,351,567.40x = 248,027,351.10 × 129,480,437.80 - Step 4: Simplify right side
165,351,567.40x = 32,114,690,006,802,312 - Step 5: Solve for x
x = 32,114,690,006,802,312/165,351,567.40 - Step 6: Final answer
x = 194,220,656.70
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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.