Finding the Fourth Proportional to 120,201,637,771.20, 180,337,352,985.60 and 48,454,125,081.60
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Solution
The fourth proportional to 120,201,637,771.20, 180,337,352,985.60 and 48,454,125,081.60 is: 72,695,254,577.83
Step by Step Solution
- Step 1: Write the proportion equation
120,201,637,771.20 : 180,337,352,985.60 = 48,454,125,081.60 : x - Step 2: Convert to fraction form
120,201,637,771.20/180,337,352,985.60 = 48,454,125,081.60/x - Step 3: Cross multiply
120,201,637,771.20x = 180,337,352,985.60 × 48,454,125,081.60 - Step 4: Simplify right side
120,201,637,771.20x = 8,738,088,658,448,913,793,024 - Step 5: Solve for x
x = 8,738,088,658,448,913,793,024/120,201,637,771.20 - Step 6: Final answer
x = 72,695,254,577.83
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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.