Finding the Fourth Proportional to 108,555,595.20, 149,804,981.28 and 59,661,973.44
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Solution
The fourth proportional to 108,555,595.20, 149,804,981.28 and 59,661,973.44 is: 82,332,566.99
Step by Step Solution
- Step 1: Write the proportion equation
108,555,595.20 : 149,804,981.28 = 59,661,973.44 : x - Step 2: Convert to fraction form
108,555,595.20/149,804,981.28 = 59,661,973.44/x - Step 3: Cross multiply
108,555,595.20x = 149,804,981.28 × 59,661,973.44 - Step 4: Simplify right side
108,555,595.20x = 8,937,660,814,307,057 - Step 5: Solve for x
x = 8,937,660,814,307,057/108,555,595.20 - Step 6: Final answer
x = 82,332,566.99
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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.