Finding the Fourth Proportional to 247,266,744.14, 341,228,778.38 and 135,764,807.07
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Solution
The fourth proportional to 247,266,744.14, 341,228,778.38 and 135,764,807.07 is: 187,355,802.43
Step by Step Solution
- Step 1: Write the proportion equation
247,266,744.14 : 341,228,778.38 = 135,764,807.07 : x - Step 2: Convert to fraction form
247,266,744.14/341,228,778.38 = 135,764,807.07/x - Step 3: Cross multiply
247,266,744.14x = 341,228,778.38 × 135,764,807.07 - Step 4: Simplify right side
247,266,744.14x = 46,326,859,263,492,488 - Step 5: Solve for x
x = 46,326,859,263,492,488/247,266,744.14 - Step 6: Final answer
x = 187,355,802.43
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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.