Finding the Fourth Proportional to 95,828,913.81, 132,088,970.43 and 74,884,544.55
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Solution
The fourth proportional to 95,828,913.81, 132,088,970.43 and 74,884,544.55 is: 103,219,602.49
Step by Step Solution
- Step 1: Write the proportion equation
95,828,913.81 : 132,088,970.43 = 74,884,544.55 : x - Step 2: Convert to fraction form
95,828,913.81/132,088,970.43 = 74,884,544.55/x - Step 3: Cross multiply
95,828,913.81x = 132,088,970.43 × 74,884,544.55 - Step 4: Simplify right side
95,828,913.81x = 9,891,422,390,728,968 - Step 5: Solve for x
x = 9,891,422,390,728,968/95,828,913.81 - Step 6: Final answer
x = 103,219,602.49
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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.