Finding the Fourth Proportional to 98,759,793.48, 136,335,774.48 and 65,774,934.60
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Solution
The fourth proportional to 98,759,793.48, 136,335,774.48 and 65,774,934.60 is: 90,800,885.00
Step by Step Solution
- Step 1: Write the proportion equation
98,759,793.48 : 136,335,774.48 = 65,774,934.60 : x - Step 2: Convert to fraction form
98,759,793.48/136,335,774.48 = 65,774,934.60/x - Step 3: Cross multiply
98,759,793.48x = 136,335,774.48 × 65,774,934.60 - Step 4: Simplify right side
98,759,793.48x = 8,967,476,650,062,349 - Step 5: Solve for x
x = 8,967,476,650,062,349/98,759,793.48 - Step 6: Final answer
x = 90,800,885.00
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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.