Finding the Fourth Proportional to 63,417,825.70, 87,517,746.09 and 35,921,444.26
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Solution
The fourth proportional to 63,417,825.70, 87,517,746.09 and 35,921,444.26 is: 49,572,242.56
Step by Step Solution
- Step 1: Write the proportion equation
63,417,825.70 : 87,517,746.09 = 35,921,444.26 : x - Step 2: Convert to fraction form
63,417,825.70/87,517,746.09 = 35,921,444.26/x - Step 3: Cross multiply
63,417,825.70x = 87,517,746.09 × 35,921,444.26 - Step 4: Simplify right side
63,417,825.70x = 3,143,763,837,932,768 - Step 5: Solve for x
x = 3,143,763,837,932,768/63,417,825.70 - Step 6: Final answer
x = 49,572,242.56
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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.