Finding the Fourth Proportional to 149,779,150.70, 224,668,726.05 and 133,057,640.30
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Solution
The fourth proportional to 149,779,150.70, 224,668,726.05 and 133,057,640.30 is: 199,586,460.45
Step by Step Solution
- Step 1: Write the proportion equation
149,779,150.70 : 224,668,726.05 = 133,057,640.30 : x - Step 2: Convert to fraction form
149,779,150.70/224,668,726.05 = 133,057,640.30/x - Step 3: Cross multiply
149,779,150.70x = 224,668,726.05 × 133,057,640.30 - Step 4: Simplify right side
149,779,150.70x = 29,893,890,537,420,140 - Step 5: Solve for x
x = 29,893,890,537,420,140/149,779,150.70 - Step 6: Final answer
x = 199,586,460.45
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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.