Finding the Fourth Proportional to 118,051,867.80, 177,077,801.70 and 60,656,239.80
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Solution
The fourth proportional to 118,051,867.80, 177,077,801.70 and 60,656,239.80 is: 90,984,359.70
Step by Step Solution
- Step 1: Write the proportion equation
118,051,867.80 : 177,077,801.70 = 60,656,239.80 : x - Step 2: Convert to fraction form
118,051,867.80/177,077,801.70 = 60,656,239.80/x - Step 3: Cross multiply
118,051,867.80x = 177,077,801.70 × 60,656,239.80 - Step 4: Simplify right side
118,051,867.80x = 10,740,873,603,172,046 - Step 5: Solve for x
x = 10,740,873,603,172,046/118,051,867.80 - Step 6: Final answer
x = 90,984,359.70
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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.