Finding the Fourth Proportional to 53,886,434.46, 74,363,309.40 and 29,106,621.18
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Solution
The fourth proportional to 53,886,434.46, 74,363,309.40 and 29,106,621.18 is: 40,167,153.35
Step by Step Solution
- Step 1: Write the proportion equation
53,886,434.46 : 74,363,309.40 = 29,106,621.18 : x - Step 2: Convert to fraction form
53,886,434.46/74,363,309.40 = 29,106,621.18/x - Step 3: Cross multiply
53,886,434.46x = 74,363,309.40 × 29,106,621.18 - Step 4: Simplify right side
53,886,434.46x = 2,164,464,676,396,933.25 - Step 5: Solve for x
x = 2,164,464,676,396,933.25/53,886,434.46 - Step 6: Final answer
x = 40,167,153.35
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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.