Finding the Fourth Proportional to 122,787,096.48, 169,445,153.88 and 67,781,772
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Solution
The fourth proportional to 122,787,096.48, 169,445,153.88 and 67,781,772 is: 93,538,271.66
Step by Step Solution
- Step 1: Write the proportion equation
122,787,096.48 : 169,445,153.88 = 67,781,772 : x - Step 2: Convert to fraction form
122,787,096.48/169,445,153.88 = 67,781,772/x - Step 3: Cross multiply
122,787,096.48x = 169,445,153.88 × 67,781,772 - Step 4: Simplify right side
122,787,096.48x = 11,485,292,786,799,076 - Step 5: Solve for x
x = 11,485,292,786,799,076/122,787,096.48 - Step 6: Final answer
x = 93,538,271.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.