Finding the Fourth Proportional to 202,481,452.18, 303,832,746.90 and 85,878,670.84
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Solution
The fourth proportional to 202,481,452.18, 303,832,746.90 and 85,878,670.84 is: 128,864,901.85
Step by Step Solution
- Step 1: Write the proportion equation
202,481,452.18 : 303,832,746.90 = 85,878,670.84 : x - Step 2: Convert to fraction form
202,481,452.18/303,832,746.90 = 85,878,670.84/x - Step 3: Cross multiply
202,481,452.18x = 303,832,746.90 × 85,878,670.84 - Step 4: Simplify right side
202,481,452.18x = 26,092,752,461,438,128 - Step 5: Solve for x
x = 26,092,752,461,438,128/202,481,452.18 - Step 6: Final answer
x = 128,864,901.85
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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.