Finding the Fourth Proportional to 208,646,567.24, 312,959,750.57 and 79,244,078.45
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Solution
The fourth proportional to 208,646,567.24, 312,959,750.57 and 79,244,078.45 is: 118,862,281.58
Step by Step Solution
- Step 1: Write the proportion equation
208,646,567.24 : 312,959,750.57 = 79,244,078.45 : x - Step 2: Convert to fraction form
208,646,567.24/312,959,750.57 = 79,244,078.45/x - Step 3: Cross multiply
208,646,567.24x = 312,959,750.57 × 79,244,078.45 - Step 4: Simplify right side
208,646,567.24x = 24,800,207,025,465,292 - Step 5: Solve for x
x = 24,800,207,025,465,292/208,646,567.24 - Step 6: Final answer
x = 118,862,281.58
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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.