Finding the Fourth Proportional to 139,994,730.18, 193,163,886.24 and 80,444,519.94
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Solution
The fourth proportional to 139,994,730.18, 193,163,886.24 and 80,444,519.94 is: 110,996,864.51
Step by Step Solution
- Step 1: Write the proportion equation
139,994,730.18 : 193,163,886.24 = 80,444,519.94 : x - Step 2: Convert to fraction form
139,994,730.18/193,163,886.24 = 80,444,519.94/x - Step 3: Cross multiply
139,994,730.18x = 193,163,886.24 × 80,444,519.94 - Step 4: Simplify right side
139,994,730.18x = 15,538,976,098,321,572 - Step 5: Solve for x
x = 15,538,976,098,321,572/139,994,730.18 - Step 6: Final answer
x = 110,996,864.51
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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.