Finding the Fourth Proportional to 53,447,296.06, 80,227,636.80 and 47,338,931.26
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Solution
The fourth proportional to 53,447,296.06, 80,227,636.80 and 47,338,931.26 is: 71,058,610.32
Step by Step Solution
- Step 1: Write the proportion equation
53,447,296.06 : 80,227,636.80 = 47,338,931.26 : x - Step 2: Convert to fraction form
53,447,296.06/80,227,636.80 = 47,338,931.26/x - Step 3: Cross multiply
53,447,296.06x = 80,227,636.80 × 47,338,931.26 - Step 4: Simplify right side
53,447,296.06x = 3,797,890,583,627,446 - Step 5: Solve for x
x = 3,797,890,583,627,446/53,447,296.06 - Step 6: Final answer
x = 71,058,610.32
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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.