Finding the Fourth Proportional to 98,603,453.80, 147,905,180.70 and 60,339,701.80
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Solution
The fourth proportional to 98,603,453.80, 147,905,180.70 and 60,339,701.80 is: 90,509,552.70
Step by Step Solution
- Step 1: Write the proportion equation
98,603,453.80 : 147,905,180.70 = 60,339,701.80 : x - Step 2: Convert to fraction form
98,603,453.80/147,905,180.70 = 60,339,701.80/x - Step 3: Cross multiply
98,603,453.80x = 147,905,180.70 × 60,339,701.80 - Step 4: Simplify right side
98,603,453.80x = 8,924,554,498,113,114 - Step 5: Solve for x
x = 8,924,554,498,113,114/98,603,453.80 - Step 6: Final answer
x = 90,509,552.70
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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.