Finding the Fourth Proportional to 83,328,438.17, 115,033,118.94 and 55,497,463.49
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Solution
The fourth proportional to 83,328,438.17, 115,033,118.94 and 55,497,463.49 is: 76,613,056.22
Step by Step Solution
- Step 1: Write the proportion equation
83,328,438.17 : 115,033,118.94 = 55,497,463.49 : x - Step 2: Convert to fraction form
83,328,438.17/115,033,118.94 = 55,497,463.49/x - Step 3: Cross multiply
83,328,438.17x = 115,033,118.94 × 55,497,463.49 - Step 4: Simplify right side
83,328,438.17x = 6,384,046,318,801,060 - Step 5: Solve for x
x = 6,384,046,318,801,060/83,328,438.17 - Step 6: Final answer
x = 76,613,056.22
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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.