Finding the Fourth Proportional to 192,769,681.19, 266,241,188.39 and 129,937,411.76
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Solution
The fourth proportional to 192,769,681.19, 266,241,188.39 and 129,937,411.76 is: 179,461,265.43
Step by Step Solution
- Step 1: Write the proportion equation
192,769,681.19 : 266,241,188.39 = 129,937,411.76 : x - Step 2: Convert to fraction form
192,769,681.19/266,241,188.39 = 129,937,411.76/x - Step 3: Cross multiply
192,769,681.19x = 266,241,188.39 × 129,937,411.76 - Step 4: Simplify right side
192,769,681.19x = 34,594,690,921,322,264 - Step 5: Solve for x
x = 34,594,690,921,322,264/192,769,681.19 - Step 6: Final answer
x = 179,461,265.43
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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.