Finding the Fourth Proportional to 134,857,585.10, 186,103,467.74 and 72,977,923.66
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Solution
The fourth proportional to 134,857,585.10, 186,103,467.74 and 72,977,923.66 is: 100,709,534.81
Step by Step Solution
- Step 1: Write the proportion equation
134,857,585.10 : 186,103,467.74 = 72,977,923.66 : x - Step 2: Convert to fraction form
134,857,585.10/186,103,467.74 = 72,977,923.66/x - Step 3: Cross multiply
134,857,585.10x = 186,103,467.74 × 72,977,923.66 - Step 4: Simplify right side
134,857,585.10x = 13,581,444,661,590,992 - Step 5: Solve for x
x = 13,581,444,661,590,992/134,857,585.10 - Step 6: Final answer
x = 100,709,534.81
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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.