Finding the Fourth Proportional to 106,934,987.40, 160,402,481.10 and 38,779,902.60
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Solution
The fourth proportional to 106,934,987.40, 160,402,481.10 and 38,779,902.60 is: 58,169,853.90
Step by Step Solution
- Step 1: Write the proportion equation
106,934,987.40 : 160,402,481.10 = 38,779,902.60 : x - Step 2: Convert to fraction form
106,934,987.40/160,402,481.10 = 38,779,902.60/x - Step 3: Cross multiply
106,934,987.40x = 160,402,481.10 × 38,779,902.60 - Step 4: Simplify right side
106,934,987.40x = 6,220,392,593,856,341 - Step 5: Solve for x
x = 6,220,392,593,856,341/106,934,987.40 - Step 6: Final answer
x = 58,169,853.90
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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.