Finding the Fourth Proportional to 79,128,000.30, 118,692,000.45 and 44,548,905.90
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Solution
The fourth proportional to 79,128,000.30, 118,692,000.45 and 44,548,905.90 is: 66,823,358.85
Step by Step Solution
- Step 1: Write the proportion equation
79,128,000.30 : 118,692,000.45 = 44,548,905.90 : x - Step 2: Convert to fraction form
79,128,000.30/118,692,000.45 = 44,548,905.90/x - Step 3: Cross multiply
79,128,000.30x = 118,692,000.45 × 44,548,905.90 - Step 4: Simplify right side
79,128,000.30x = 5,287,598,759,129,808 - Step 5: Solve for x
x = 5,287,598,759,129,808/79,128,000.30 - Step 6: Final answer
x = 66,823,358.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.