Finding the Fourth Proportional to 106,374,146.52, 146,740,495.96 and 86,550,078.99
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Solution
The fourth proportional to 106,374,146.52, 146,740,495.96 and 86,550,078.99 is: 119,393,686.65
Step by Step Solution
- Step 1: Write the proportion equation
106,374,146.52 : 146,740,495.96 = 86,550,078.99 : x - Step 2: Convert to fraction form
106,374,146.52/146,740,495.96 = 86,550,078.99/x - Step 3: Cross multiply
106,374,146.52x = 146,740,495.96 × 86,550,078.99 - Step 4: Simplify right side
106,374,146.52x = 12,700,401,517,028,242 - Step 5: Solve for x
x = 12,700,401,517,028,242/106,374,146.52 - Step 6: Final answer
x = 119,393,686.65
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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.