Finding the Fourth Proportional to 55,685,029.04, 76,845,864.60 and 31,239,267.92
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Solution
The fourth proportional to 55,685,029.04, 76,845,864.60 and 31,239,267.92 is: 43,110,483.99
Step by Step Solution
- Step 1: Write the proportion equation
55,685,029.04 : 76,845,864.60 = 31,239,267.92 : x - Step 2: Convert to fraction form
55,685,029.04/76,845,864.60 = 31,239,267.92/x - Step 3: Cross multiply
55,685,029.04x = 76,845,864.60 × 31,239,267.92 - Step 4: Simplify right side
55,685,029.04x = 2,400,608,552,783,443.50 - Step 5: Solve for x
x = 2,400,608,552,783,443.50/55,685,029.04 - Step 6: Final answer
x = 43,110,483.99
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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.