Finding the Fourth Proportional to 57,477,580.86, 86,254,449.85 and 31,587,961.99
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Solution
The fourth proportional to 57,477,580.86, 86,254,449.85 and 31,587,961.99 is: 47,402,869.83
Step by Step Solution
- Step 1: Write the proportion equation
57,477,580.86 : 86,254,449.85 = 31,587,961.99 : x - Step 2: Convert to fraction form
57,477,580.86/86,254,449.85 = 31,587,961.99/x - Step 3: Cross multiply
57,477,580.86x = 86,254,449.85 × 31,587,961.99 - Step 4: Simplify right side
57,477,580.86x = 2,724,602,283,251,191 - Step 5: Solve for x
x = 2,724,602,283,251,191/57,477,580.86 - Step 6: Final answer
x = 47,402,869.83
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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.