Finding the Fourth Proportional to 99,794,747.70, 149,692,121.55 and 48,709,538.10
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Solution
The fourth proportional to 99,794,747.70, 149,692,121.55 and 48,709,538.10 is: 73,064,307.15
Step by Step Solution
- Step 1: Write the proportion equation
99,794,747.70 : 149,692,121.55 = 48,709,538.10 : x - Step 2: Convert to fraction form
99,794,747.70/149,692,121.55 = 48,709,538.10/x - Step 3: Cross multiply
99,794,747.70x = 149,692,121.55 × 48,709,538.10 - Step 4: Simplify right side
99,794,747.70x = 7,291,434,097,909,557 - Step 5: Solve for x
x = 7,291,434,097,909,557/99,794,747.70 - Step 6: Final answer
x = 73,064,307.15
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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.