Finding the Fourth Proportional to 212,084,277.95, 318,123,215.69 and 95,417,247.49
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Solution
The fourth proportional to 212,084,277.95, 318,123,215.69 and 95,417,247.49 is: 143,124,430.99
Step by Step Solution
- Step 1: Write the proportion equation
212,084,277.95 : 318,123,215.69 = 95,417,247.49 : x - Step 2: Convert to fraction form
212,084,277.95/318,123,215.69 = 95,417,247.49/x - Step 3: Cross multiply
212,084,277.95x = 318,123,215.69 × 95,417,247.49 - Step 4: Simplify right side
212,084,277.95x = 30,354,441,602,534,988 - Step 5: Solve for x
x = 30,354,441,602,534,988/212,084,277.95 - Step 6: Final answer
x = 143,124,430.99
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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.