Finding the Fourth Proportional to 55,779,404.40, 83,669,106.60 and 39,517,309.80
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Solution
The fourth proportional to 55,779,404.40, 83,669,106.60 and 39,517,309.80 is: 59,275,964.70
Step by Step Solution
- Step 1: Write the proportion equation
55,779,404.40 : 83,669,106.60 = 39,517,309.80 : x - Step 2: Convert to fraction form
55,779,404.40/83,669,106.60 = 39,517,309.80/x - Step 3: Cross multiply
55,779,404.40x = 83,669,106.60 × 39,517,309.80 - Step 4: Simplify right side
55,779,404.40x = 3,306,378,006,201,424 - Step 5: Solve for x
x = 3,306,378,006,201,424/55,779,404.40 - Step 6: Final answer
x = 59,275,964.70
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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.