Finding the Fourth Proportional to 145,691,806.90, 218,537,710.35 and 73,132,395.70
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Solution
The fourth proportional to 145,691,806.90, 218,537,710.35 and 73,132,395.70 is: 109,698,593.55
Step by Step Solution
- Step 1: Write the proportion equation
145,691,806.90 : 218,537,710.35 = 73,132,395.70 : x - Step 2: Convert to fraction form
145,691,806.90/218,537,710.35 = 73,132,395.70/x - Step 3: Cross multiply
145,691,806.90x = 218,537,710.35 × 73,132,395.70 - Step 4: Simplify right side
145,691,806.90x = 15,982,186,308,688,186 - Step 5: Solve for x
x = 15,982,186,308,688,186/145,691,806.90 - Step 6: Final answer
x = 109,698,593.55
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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.