Finding the Fourth Proportional to 134,498,982.87, 185,608,932.84 and 77,994,681.03
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Solution
The fourth proportional to 134,498,982.87, 185,608,932.84 and 77,994,681.03 is: 107,632,854.94
Step by Step Solution
- Step 1: Write the proportion equation
134,498,982.87 : 185,608,932.84 = 77,994,681.03 : x - Step 2: Convert to fraction form
134,498,982.87/185,608,932.84 = 77,994,681.03/x - Step 3: Cross multiply
134,498,982.87x = 185,608,932.84 × 77,994,681.03 - Step 4: Simplify right side
134,498,982.87x = 14,476,509,513,174,492 - Step 5: Solve for x
x = 14,476,509,513,174,492/134,498,982.87 - Step 6: Final answer
x = 107,632,854.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.