Finding the Fourth Proportional to 91,050,581.88, 125,653,073.58 and 51,898,266.36
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Solution
The fourth proportional to 91,050,581.88, 125,653,073.58 and 51,898,266.36 is: 71,621,471.79
Step by Step Solution
- Step 1: Write the proportion equation
91,050,581.88 : 125,653,073.58 = 51,898,266.36 : x - Step 2: Convert to fraction form
91,050,581.88/125,653,073.58 = 51,898,266.36/x - Step 3: Cross multiply
91,050,581.88x = 125,653,073.58 × 51,898,266.36 - Step 4: Simplify right side
91,050,581.88x = 6,521,176,681,607,519 - Step 5: Solve for x
x = 6,521,176,681,607,519/91,050,581.88 - Step 6: Final answer
x = 71,621,471.79
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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.