Finding the Fourth Proportional to 77,923,765.64, 107,534,922.56 and 43,117,923.08
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Solution
The fourth proportional to 77,923,765.64, 107,534,922.56 and 43,117,923.08 is: 59,502,803.55
Step by Step Solution
- Step 1: Write the proportion equation
77,923,765.64 : 107,534,922.56 = 43,117,923.08 : x - Step 2: Convert to fraction form
77,923,765.64/107,534,922.56 = 43,117,923.08/x - Step 3: Cross multiply
77,923,765.64x = 107,534,922.56 × 43,117,923.08 - Step 4: Simplify right side
77,923,765.64x = 4,636,682,518,602,573 - Step 5: Solve for x
x = 4,636,682,518,602,573/77,923,765.64 - Step 6: Final answer
x = 59,502,803.55
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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.