Finding the Fourth Proportional to 136,395,693.85, 204,722,887.62 and 84,423,083.94
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Solution
The fourth proportional to 136,395,693.85, 204,722,887.62 and 84,423,083.94 is: 126,714,686.06
Step by Step Solution
- Step 1: Write the proportion equation
136,395,693.85 : 204,722,887.62 = 84,423,083.94 : x - Step 2: Convert to fraction form
136,395,693.85/204,722,887.62 = 84,423,083.94/x - Step 3: Cross multiply
136,395,693.85x = 204,722,887.62 × 84,423,083.94 - Step 4: Simplify right side
136,395,693.85x = 17,283,337,525,982,446 - Step 5: Solve for x
x = 17,283,337,525,982,446/136,395,693.85 - Step 6: Final answer
x = 126,714,686.06
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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.