Finding the Fourth Proportional to 149,860,462.14, 206,811,981.36 and 83,783,744.28
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Solution
The fourth proportional to 149,860,462.14, 206,811,981.36 and 83,783,744.28 is: 115,624,107.34
Step by Step Solution
- Step 1: Write the proportion equation
149,860,462.14 : 206,811,981.36 = 83,783,744.28 : x - Step 2: Convert to fraction form
149,860,462.14/206,811,981.36 = 83,783,744.28/x - Step 3: Cross multiply
149,860,462.14x = 206,811,981.36 × 83,783,744.28 - Step 4: Simplify right side
149,860,462.14x = 17,327,482,160,306,368 - Step 5: Solve for x
x = 17,327,482,160,306,368/149,860,462.14 - Step 6: Final answer
x = 115,624,107.34
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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.