Finding the Fourth Proportional to 234,639,197.12, 351,938,120.88 and 105,212,070.56
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Solution
The fourth proportional to 234,639,197.12, 351,938,120.88 and 105,212,070.56 is: 157,808,835.27
Step by Step Solution
- Step 1: Write the proportion equation
234,639,197.12 : 351,938,120.88 = 105,212,070.56 : x - Step 2: Convert to fraction form
234,639,197.12/351,938,120.88 = 105,212,070.56/x - Step 3: Cross multiply
234,639,197.12x = 351,938,120.88 × 105,212,070.56 - Step 4: Simplify right side
234,639,197.12x = 37,028,138,406,780,368 - Step 5: Solve for x
x = 37,028,138,406,780,368/234,639,197.12 - Step 6: Final answer
x = 157,808,835.27
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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.