Finding the Fourth Proportional to 118,163,729.88, 177,243,089.49 and 39,385,933.02
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Solution
The fourth proportional to 118,163,729.88, 177,243,089.49 and 39,385,933.02 is: 59,078,064.46
Step by Step Solution
- Step 1: Write the proportion equation
118,163,729.88 : 177,243,089.49 = 39,385,933.02 : x - Step 2: Convert to fraction form
118,163,729.88/177,243,089.49 = 39,385,933.02/x - Step 3: Cross multiply
118,163,729.88x = 177,243,089.49 × 39,385,933.02 - Step 4: Simplify right side
118,163,729.88x = 6,980,884,450,911,007 - Step 5: Solve for x
x = 6,980,884,450,911,007/118,163,729.88 - Step 6: Final answer
x = 59,078,064.46
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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.