Finding the Fourth Proportional to 122,532,765.40, 183,799,148.10 and 45,845,829.10
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Solution
The fourth proportional to 122,532,765.40, 183,799,148.10 and 45,845,829.10 is: 68,768,743.65
Step by Step Solution
- Step 1: Write the proportion equation
122,532,765.40 : 183,799,148.10 = 45,845,829.10 : x - Step 2: Convert to fraction form
122,532,765.40/183,799,148.10 = 45,845,829.10/x - Step 3: Cross multiply
122,532,765.40x = 183,799,148.10 × 45,845,829.10 - Step 4: Simplify right side
122,532,765.40x = 8,426,424,332,518,190 - Step 5: Solve for x
x = 8,426,424,332,518,190/122,532,765.40 - Step 6: Final answer
x = 68,768,743.65
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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.