Finding the Fourth Proportional to 192,187,029.36, 265,216,686.06 and 104,078,983.08
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Solution
The fourth proportional to 192,187,029.36, 265,216,686.06 and 104,078,983.08 is: 143,628,230.65
Step by Step Solution
- Step 1: Write the proportion equation
192,187,029.36 : 265,216,686.06 = 104,078,983.08 : x - Step 2: Convert to fraction form
192,187,029.36/265,216,686.06 = 104,078,983.08/x - Step 3: Cross multiply
192,187,029.36x = 265,216,686.06 × 104,078,983.08 - Step 4: Simplify right side
192,187,029.36x = 27,603,482,980,972,412 - Step 5: Solve for x
x = 27,603,482,980,972,412/192,187,029.36 - Step 6: Final answer
x = 143,628,230.65
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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.