Finding the Fourth Proportional to 138,077,553.08, 190,551,063 and 75,357,673.84
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Solution
The fourth proportional to 138,077,553.08, 190,551,063 and 75,357,673.84 is: 103,995,794.65
Step by Step Solution
- Step 1: Write the proportion equation
138,077,553.08 : 190,551,063 = 75,357,673.84 : x - Step 2: Convert to fraction form
138,077,553.08/190,551,063 = 75,357,673.84/x - Step 3: Cross multiply
138,077,553.08x = 190,551,063 × 75,357,673.84 - Step 4: Simplify right side
138,077,553.08x = 14,359,484,855,419,292 - Step 5: Solve for x
x = 14,359,484,855,419,292/138,077,553.08 - Step 6: Final answer
x = 103,995,794.65
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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.