Finding the Fourth Proportional to 146,779,975.20, 220,169,962.80 and 44,543,848.80
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Solution
The fourth proportional to 146,779,975.20, 220,169,962.80 and 44,543,848.80 is: 66,815,773.20
Step by Step Solution
- Step 1: Write the proportion equation
146,779,975.20 : 220,169,962.80 = 44,543,848.80 : x - Step 2: Convert to fraction form
146,779,975.20/220,169,962.80 = 44,543,848.80/x - Step 3: Cross multiply
146,779,975.20x = 220,169,962.80 × 44,543,848.80 - Step 4: Simplify right side
146,779,975.20x = 9,807,217,533,264,824 - Step 5: Solve for x
x = 9,807,217,533,264,824/146,779,975.20 - Step 6: Final answer
x = 66,815,773.20
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1.5x scale
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.