Finding the Fourth Proportional to 177,853,302.30, 266,779,953.45 and 147,620,214.30
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Solution
The fourth proportional to 177,853,302.30, 266,779,953.45 and 147,620,214.30 is: 221,430,321.45
Step by Step Solution
- Step 1: Write the proportion equation
177,853,302.30 : 266,779,953.45 = 147,620,214.30 : x - Step 2: Convert to fraction form
177,853,302.30/266,779,953.45 = 147,620,214.30/x - Step 3: Cross multiply
177,853,302.30x = 266,779,953.45 × 147,620,214.30 - Step 4: Simplify right side
177,853,302.30x = 39,382,113,899,233,024 - Step 5: Solve for x
x = 39,382,113,899,233,024/177,853,302.30 - Step 6: Final answer
x = 221,430,321.45
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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.