Finding the Fourth Proportional to 330,289,021.91, 495,422,312.17 and 84,648,068.75
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Solution
The fourth proportional to 330,289,021.91, 495,422,312.17 and 84,648,068.75 is: 126,969,227.43
Step by Step Solution
- Step 1: Write the proportion equation
330,289,021.91 : 495,422,312.17 = 84,648,068.75 : x - Step 2: Convert to fraction form
330,289,021.91/495,422,312.17 = 84,648,068.75/x - Step 3: Cross multiply
330,289,021.91x = 495,422,312.17 × 84,648,068.75 - Step 4: Simplify right side
330,289,021.91x = 41,936,541,938,373,016 - Step 5: Solve for x
x = 41,936,541,938,373,016/330,289,021.91 - Step 6: Final answer
x = 126,969,227.43
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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.