Finding the Fourth Proportional to 259,437,665.76, 358,013,286.24 and 155,073,277.44
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Solution
The fourth proportional to 259,437,665.76, 358,013,286.24 and 155,073,277.44 is: 213,994,731.65
Step by Step Solution
- Step 1: Write the proportion equation
259,437,665.76 : 358,013,286.24 = 155,073,277.44 : x - Step 2: Convert to fraction form
259,437,665.76/358,013,286.24 = 155,073,277.44/x - Step 3: Cross multiply
259,437,665.76x = 358,013,286.24 × 155,073,277.44 - Step 4: Simplify right side
259,437,665.76x = 55,518,293,664,301,656 - Step 5: Solve for x
x = 55,518,293,664,301,656/259,437,665.76 - Step 6: Final answer
x = 213,994,731.65
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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.