Finding the Fourth Proportional to 97,395,785.63, 134,410,409.12 and 53,935,721.63
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Solution
The fourth proportional to 97,395,785.63, 134,410,409.12 and 53,935,721.63 is: 74,433,635.54
Step by Step Solution
- Step 1: Write the proportion equation
97,395,785.63 : 134,410,409.12 = 53,935,721.63 : x - Step 2: Convert to fraction form
97,395,785.63/134,410,409.12 = 53,935,721.63/x - Step 3: Cross multiply
97,395,785.63x = 134,410,409.12 × 53,935,721.63 - Step 4: Simplify right side
97,395,785.63x = 7,249,522,409,933,521 - Step 5: Solve for x
x = 7,249,522,409,933,521/97,395,785.63 - Step 6: Final answer
x = 74,433,635.54
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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.