Finding the Fourth Proportional to 205,216,492.21, 283,199,032.35 and 111,130,801.54
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Solution
The fourth proportional to 205,216,492.21, 283,199,032.35 and 111,130,801.54 is: 153,360,654.02
Step by Step Solution
- Step 1: Write the proportion equation
205,216,492.21 : 283,199,032.35 = 111,130,801.54 : x - Step 2: Convert to fraction form
205,216,492.21/283,199,032.35 = 111,130,801.54/x - Step 3: Cross multiply
205,216,492.21x = 283,199,032.35 × 111,130,801.54 - Step 4: Simplify right side
205,216,492.21x = 31,472,135,459,699,892 - Step 5: Solve for x
x = 31,472,135,459,699,892/205,216,492.21 - Step 6: Final answer
x = 153,360,654.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.