Finding the Fourth Proportional to 72,408,830.70, 108,613,246.05 and 41,797,829.10
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Solution
The fourth proportional to 72,408,830.70, 108,613,246.05 and 41,797,829.10 is: 62,696,743.65
Step by Step Solution
- Step 1: Write the proportion equation
72,408,830.70 : 108,613,246.05 = 41,797,829.10 : x - Step 2: Convert to fraction form
72,408,830.70/108,613,246.05 = 41,797,829.10/x - Step 3: Cross multiply
72,408,830.70x = 108,613,246.05 × 41,797,829.10 - Step 4: Simplify right side
72,408,830.70x = 4,539,797,896,394,150 - Step 5: Solve for x
x = 4,539,797,896,394,150/72,408,830.70 - Step 6: Final answer
x = 62,696,743.65
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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.