Finding the Fourth Proportional to 178,307,347.70, 267,461,021.55 and 101,779,843.70
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Solution
The fourth proportional to 178,307,347.70, 267,461,021.55 and 101,779,843.70 is: 152,669,765.55
Step by Step Solution
- Step 1: Write the proportion equation
178,307,347.70 : 267,461,021.55 = 101,779,843.70 : x - Step 2: Convert to fraction form
178,307,347.70/267,461,021.55 = 101,779,843.70/x - Step 3: Cross multiply
178,307,347.70x = 267,461,021.55 × 101,779,843.70 - Step 4: Simplify right side
178,307,347.70x = 27,222,140,969,201,332 - Step 5: Solve for x
x = 27,222,140,969,201,332/178,307,347.70 - Step 6: Final answer
x = 152,669,765.55
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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.