Finding the Fourth Proportional to 79,977,884.90, 110,369,454.21 and 43,308,455.90
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Solution
The fourth proportional to 79,977,884.90, 110,369,454.21 and 43,308,455.90 is: 59,765,654.54
Step by Step Solution
- Step 1: Write the proportion equation
79,977,884.90 : 110,369,454.21 = 43,308,455.90 : x - Step 2: Convert to fraction form
79,977,884.90/110,369,454.21 = 43,308,455.90/x - Step 3: Cross multiply
79,977,884.90x = 110,369,454.21 × 43,308,455.90 - Step 4: Simplify right side
79,977,884.90x = 4,779,930,639,809,007 - Step 5: Solve for x
x = 4,779,930,639,809,007/79,977,884.90 - Step 6: Final answer
x = 59,765,654.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.