Finding the Fourth Proportional to 122,615,569.04, 169,208,253.11 and 66,860,852.60
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Solution
The fourth proportional to 122,615,569.04, 169,208,253.11 and 66,860,852.60 is: 92,267,304.71
Step by Step Solution
- Step 1: Write the proportion equation
122,615,569.04 : 169,208,253.11 = 66,860,852.60 : x - Step 2: Convert to fraction form
122,615,569.04/169,208,253.11 = 66,860,852.60/x - Step 3: Cross multiply
122,615,569.04x = 169,208,253.11 × 66,860,852.60 - Step 4: Simplify right side
122,615,569.04x = 11,313,408,070,481,374 - Step 5: Solve for x
x = 11,313,408,070,481,374/122,615,569.04 - Step 6: Final answer
x = 92,267,304.71
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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.