Finding the Fourth Proportional to 186,119,934.80, 279,305,873.40 and 83,831,320.40
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Solution
The fourth proportional to 186,119,934.80, 279,305,873.40 and 83,831,320.40 is: 125,803,719.99
Step by Step Solution
- Step 1: Write the proportion equation
186,119,934.80 : 279,305,873.40 = 83,831,320.40 : x - Step 2: Convert to fraction form
186,119,934.80/279,305,873.40 = 83,831,320.40/x - Step 3: Cross multiply
186,119,934.80x = 279,305,873.40 × 83,831,320.40 - Step 4: Simplify right side
186,119,934.80x = 23,414,580,162,597,236 - Step 5: Solve for x
x = 23,414,580,162,597,236/186,119,934.80 - Step 6: Final answer
x = 125,803,719.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.