Finding the Fourth Proportional to 55,440,574.84, 76,499,494.45 and 31,914,565.99
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Solution
The fourth proportional to 55,440,574.84, 76,499,494.45 and 31,914,565.99 is: 44,037,208.68
Step by Step Solution
- Step 1: Write the proportion equation
55,440,574.84 : 76,499,494.45 = 31,914,565.99 : x - Step 2: Convert to fraction form
55,440,574.84/76,499,494.45 = 31,914,565.99/x - Step 3: Cross multiply
55,440,574.84x = 76,499,494.45 × 31,914,565.99 - Step 4: Simplify right side
55,440,574.84x = 2,441,448,163,734,648 - Step 5: Solve for x
x = 2,441,448,163,734,648/55,440,574.84 - Step 6: Final answer
x = 44,037,208.68
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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.