Finding the Fourth Proportional to 117,936,206.70, 176,904,310.05 and 97,130,291.55
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Solution
The fourth proportional to 117,936,206.70, 176,904,310.05 and 97,130,291.55 is: 145,695,437.33
Step by Step Solution
- Step 1: Write the proportion equation
117,936,206.70 : 176,904,310.05 = 97,130,291.55 : x - Step 2: Convert to fraction form
117,936,206.70/176,904,310.05 = 97,130,291.55/x - Step 3: Cross multiply
117,936,206.70x = 176,904,310.05 × 97,130,291.55 - Step 4: Simplify right side
117,936,206.70x = 17,182,767,211,608,096 - Step 5: Solve for x
x = 17,182,767,211,608,096/117,936,206.70 - Step 6: Final answer
x = 145,695,437.33
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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.