Finding the Fourth Proportional to 117,984,421.70, 176,976,632.55 and 97,829,029.70
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Solution
The fourth proportional to 117,984,421.70, 176,976,632.55 and 97,829,029.70 is: 146,743,544.55
Step by Step Solution
- Step 1: Write the proportion equation
117,984,421.70 : 176,976,632.55 = 97,829,029.70 : x - Step 2: Convert to fraction form
117,984,421.70/176,976,632.55 = 97,829,029.70/x - Step 3: Cross multiply
117,984,421.70x = 176,976,632.55 × 97,829,029.70 - Step 4: Simplify right side
117,984,421.70x = 17,313,452,241,939,938 - Step 5: Solve for x
x = 17,313,452,241,939,938/117,984,421.70 - Step 6: Final answer
x = 146,743,544.55
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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.