Finding the Fourth Proportional to 86,301,554.58, 129,451,445.82 and 49,886,774.39
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Solution
The fourth proportional to 86,301,554.58, 129,451,445.82 and 49,886,774.39 is: 74,829,649.39
Step by Step Solution
- Step 1: Write the proportion equation
86,301,554.58 : 129,451,445.82 = 49,886,774.39 : x - Step 2: Convert to fraction form
86,301,554.58/129,451,445.82 = 49,886,774.39/x - Step 3: Cross multiply
86,301,554.58x = 129,451,445.82 × 49,886,774.39 - Step 4: Simplify right side
86,301,554.58x = 6,457,915,071,434,391 - Step 5: Solve for x
x = 6,457,915,071,434,391/86,301,554.58 - Step 6: Final answer
x = 74,829,649.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.