Finding the Fourth Proportional to 157,465,355.90, 236,198,033.85 and 96,243,352.70
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Solution
The fourth proportional to 157,465,355.90, 236,198,033.85 and 96,243,352.70 is: 144,365,029.05
Step by Step Solution
- Step 1: Write the proportion equation
157,465,355.90 : 236,198,033.85 = 96,243,352.70 : x - Step 2: Convert to fraction form
157,465,355.90/236,198,033.85 = 96,243,352.70/x - Step 3: Cross multiply
157,465,355.90x = 236,198,033.85 × 96,243,352.70 - Step 4: Simplify right side
157,465,355.90x = 22,732,490,678,872,088 - Step 5: Solve for x
x = 22,732,490,678,872,088/157,465,355.90 - Step 6: Final answer
x = 144,365,029.05
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1.5x scale
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.