Finding the Fourth Proportional to 145,915,319.63, 201,365,662.88 and 79,841,592.71
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Solution
The fourth proportional to 145,915,319.63, 201,365,662.88 and 79,841,592.71 is: 110,182,777.80
Step by Step Solution
- Step 1: Write the proportion equation
145,915,319.63 : 201,365,662.88 = 79,841,592.71 : x - Step 2: Convert to fraction form
145,915,319.63/201,365,662.88 = 79,841,592.71/x - Step 3: Cross multiply
145,915,319.63x = 201,365,662.88 × 79,841,592.71 - Step 4: Simplify right side
145,915,319.63x = 16,077,355,241,044,916 - Step 5: Solve for x
x = 16,077,355,241,044,916/145,915,319.63 - Step 6: Final answer
x = 110,182,777.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.