Finding the Fourth Proportional to 136,197,209.70, 204,295,814.55 and 112,282,364.70
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Solution
The fourth proportional to 136,197,209.70, 204,295,814.55 and 112,282,364.70 is: 168,423,547.05
Step by Step Solution
- Step 1: Write the proportion equation
136,197,209.70 : 204,295,814.55 = 112,282,364.70 : x - Step 2: Convert to fraction form
136,197,209.70/204,295,814.55 = 112,282,364.70/x - Step 3: Cross multiply
136,197,209.70x = 204,295,814.55 × 112,282,364.70 - Step 4: Simplify right side
136,197,209.70x = 22,938,817,155,986,668 - Step 5: Solve for x
x = 22,938,817,155,986,668/136,197,209.70 - Step 6: Final answer
x = 168,423,547.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.