Finding the Fourth Proportional to 90,977,139.59, 136,445,589.70 and 26,266,874.63
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Solution
The fourth proportional to 90,977,139.59, 136,445,589.70 and 26,266,874.63 is: 39,394,503.00
Step by Step Solution
- Step 1: Write the proportion equation
90,977,139.59 : 136,445,589.70 = 26,266,874.63 : x - Step 2: Convert to fraction form
90,977,139.59/136,445,589.70 = 26,266,874.63/x - Step 3: Cross multiply
90,977,139.59x = 136,445,589.70 × 26,266,874.63 - Step 4: Simplify right side
90,977,139.59x = 3,583,999,198,466,319 - Step 5: Solve for x
x = 3,583,999,198,466,319/90,977,139.59 - Step 6: Final answer
x = 39,394,503.00
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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.