Finding the Fourth Proportional to 153,946,358.10, 212,365,430.28 and 95,190,241.14
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Solution
The fourth proportional to 153,946,358.10, 212,365,430.28 and 95,190,241.14 is: 131,312,729.76
Step by Step Solution
- Step 1: Write the proportion equation
153,946,358.10 : 212,365,430.28 = 95,190,241.14 : x - Step 2: Convert to fraction form
153,946,358.10/212,365,430.28 = 95,190,241.14/x - Step 3: Cross multiply
153,946,358.10x = 212,365,430.28 × 95,190,241.14 - Step 4: Simplify right side
153,946,358.10x = 20,215,116,518,153,056 - Step 5: Solve for x
x = 20,215,116,518,153,056/153,946,358.10 - Step 6: Final answer
x = 131,312,729.76
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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.