Finding the Fourth Proportional to 67,716,811.14, 93,455,293.23 and 38,355,286.38
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Solution
The fourth proportional to 67,716,811.14, 93,455,293.23 and 38,355,286.38 is: 52,933,746.81
Step by Step Solution
- Step 1: Write the proportion equation
67,716,811.14 : 93,455,293.23 = 38,355,286.38 : x - Step 2: Convert to fraction form
67,716,811.14/93,455,293.23 = 38,355,286.38/x - Step 3: Cross multiply
67,716,811.14x = 93,455,293.23 × 38,355,286.38 - Step 4: Simplify right side
67,716,811.14x = 3,584,504,535,563,525.50 - Step 5: Solve for x
x = 3,584,504,535,563,525.50/67,716,811.14 - Step 6: Final answer
x = 52,933,746.81
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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.