Finding the Fourth Proportional to 136,395,765.12, 204,722,994.48 and 84,423,155.34
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Solution
The fourth proportional to 136,395,765.12, 204,722,994.48 and 84,423,155.34 is: 126,714,793.16
Step by Step Solution
- Step 1: Write the proportion equation
136,395,765.12 : 204,722,994.48 = 84,423,155.34 : x - Step 2: Convert to fraction form
136,395,765.12/204,722,994.48 = 84,423,155.34/x - Step 3: Cross multiply
136,395,765.12x = 204,722,994.48 × 84,423,155.34 - Step 4: Simplify right side
136,395,765.12x = 17,283,361,164,655,002 - Step 5: Solve for x
x = 17,283,361,164,655,002/136,395,765.12 - Step 6: Final answer
x = 126,714,793.16
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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.