Finding the Fourth Proportional to 110,849,291.76, 152,965,852.20 and 61,286,800.08
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Solution
The fourth proportional to 110,849,291.76, 152,965,852.20 and 61,286,800.08 is: 84,572,372.58
Step by Step Solution
- Step 1: Write the proportion equation
110,849,291.76 : 152,965,852.20 = 61,286,800.08 : x - Step 2: Convert to fraction form
110,849,291.76/152,965,852.20 = 61,286,800.08/x - Step 3: Cross multiply
110,849,291.76x = 152,965,852.20 × 61,286,800.08 - Step 4: Simplify right side
110,849,291.76x = 9,374,787,602,848,228 - Step 5: Solve for x
x = 9,374,787,602,848,228/110,849,291.76 - Step 6: Final answer
x = 84,572,372.58
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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.