Finding the Fourth Proportional to 135,341,923.19, 186,767,021.14 and 76,603,326.83
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Solution
The fourth proportional to 135,341,923.19, 186,767,021.14 and 76,603,326.83 is: 105,709,855.64
Step by Step Solution
- Step 1: Write the proportion equation
135,341,923.19 : 186,767,021.14 = 76,603,326.83 : x - Step 2: Convert to fraction form
135,341,923.19/186,767,021.14 = 76,603,326.83/x - Step 3: Cross multiply
135,341,923.19x = 186,767,021.14 × 76,603,326.83 - Step 4: Simplify right side
135,341,923.19x = 14,306,975,162,508,860 - Step 5: Solve for x
x = 14,306,975,162,508,860/135,341,923.19 - Step 6: Final answer
x = 105,709,855.64
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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.