Finding the Fourth Proportional to 136,211,668.16, 204,389,246.76 and 78,744,299.36
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Solution
The fourth proportional to 136,211,668.16, 204,389,246.76 and 78,744,299.36 is: 118,157,924.72
Step by Step Solution
- Step 1: Write the proportion equation
136,211,668.16 : 204,389,246.76 = 78,744,299.36 : x - Step 2: Convert to fraction form
136,211,668.16/204,389,246.76 = 78,744,299.36/x - Step 3: Cross multiply
136,211,668.16x = 204,389,246.76 × 78,744,299.36 - Step 4: Simplify right side
136,211,668.16x = 16,094,488,032,834,350 - Step 5: Solve for x
x = 16,094,488,032,834,350/136,211,668.16 - Step 6: Final answer
x = 118,157,924.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.