Finding the Fourth Proportional to 122,615,568.91, 169,208,252.94 and 66,860,852.48
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Solution
The fourth proportional to 122,615,568.91, 169,208,252.94 and 66,860,852.48 is: 92,267,304.54
Step by Step Solution
- Step 1: Write the proportion equation
122,615,568.91 : 169,208,252.94 = 66,860,852.48 : x - Step 2: Convert to fraction form
122,615,568.91/169,208,252.94 = 66,860,852.48/x - Step 3: Cross multiply
122,615,568.91x = 169,208,252.94 × 66,860,852.48 - Step 4: Simplify right side
122,615,568.91x = 11,313,408,038,219,866 - Step 5: Solve for x
x = 11,313,408,038,219,866/122,615,568.91 - Step 6: Final answer
x = 92,267,304.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.