Finding the Fourth Proportional to 149,779,211.60, 224,668,817.40 and 125,592,741.20
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Solution
The fourth proportional to 149,779,211.60, 224,668,817.40 and 125,592,741.20 is: 188,389,111.80
Step by Step Solution
- Step 1: Write the proportion equation
149,779,211.60 : 224,668,817.40 = 125,592,741.20 : x - Step 2: Convert to fraction form
149,779,211.60/224,668,817.40 = 125,592,741.20/x - Step 3: Cross multiply
149,779,211.60x = 224,668,817.40 × 125,592,741.20 - Step 4: Simplify right side
149,779,211.60x = 28,216,772,639,428,260 - Step 5: Solve for x
x = 28,216,772,639,428,260/149,779,211.60 - Step 6: Final answer
x = 188,389,111.80
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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.