Finding the Fourth Proportional to 147,622,603.70, 221,433,905.55 and 109,358,851.70
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Solution
The fourth proportional to 147,622,603.70, 221,433,905.55 and 109,358,851.70 is: 164,038,277.55
Step by Step Solution
- Step 1: Write the proportion equation
147,622,603.70 : 221,433,905.55 = 109,358,851.70 : x - Step 2: Convert to fraction form
147,622,603.70/221,433,905.55 = 109,358,851.70/x - Step 3: Cross multiply
147,622,603.70x = 221,433,905.55 × 109,358,851.70 - Step 4: Simplify right side
147,622,603.70x = 24,215,757,638,394,260 - Step 5: Solve for x
x = 24,215,757,638,394,260/147,622,603.70 - Step 6: Final answer
x = 164,038,277.55
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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.