Finding the Fourth Proportional to 194,223,119.91, 268,024,777.47 and 106,115,225.73
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Solution
The fourth proportional to 194,223,119.91, 268,024,777.47 and 106,115,225.73 is: 146,437,302.50
Step by Step Solution
- Step 1: Write the proportion equation
194,223,119.91 : 268,024,777.47 = 106,115,225.73 : x - Step 2: Convert to fraction form
194,223,119.91/268,024,777.47 = 106,115,225.73/x - Step 3: Cross multiply
194,223,119.91x = 268,024,777.47 × 106,115,225.73 - Step 4: Simplify right side
194,223,119.91x = 28,441,509,762,462,068 - Step 5: Solve for x
x = 28,441,509,762,462,068/194,223,119.91 - Step 6: Final answer
x = 146,437,302.50
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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.