Finding the Fourth Proportional to 55,623,046.19, 76,756,062.08 and 30,842,315.65
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Solution
The fourth proportional to 55,623,046.19, 76,756,062.08 and 30,842,315.65 is: 42,560,320.90
Step by Step Solution
- Step 1: Write the proportion equation
55,623,046.19 : 76,756,062.08 = 30,842,315.65 : x - Step 2: Convert to fraction form
55,623,046.19/76,756,062.08 = 30,842,315.65/x - Step 3: Cross multiply
55,623,046.19x = 76,756,062.08 × 30,842,315.65 - Step 4: Simplify right side
55,623,046.19x = 2,367,334,694,895,406.50 - Step 5: Solve for x
x = 2,367,334,694,895,406.50/55,623,046.19 - Step 6: Final answer
x = 42,560,320.90
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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.