Finding the Fourth Proportional to 99,314,583.84, 148,875,260.40 and 47,485,717.92
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Solution
The fourth proportional to 99,314,583.84, 148,875,260.40 and 47,485,717.92 is: 71,182,381.75
Step by Step Solution
- Step 1: Write the proportion equation
99,314,583.84 : 148,875,260.40 = 47,485,717.92 : x - Step 2: Convert to fraction form
99,314,583.84/148,875,260.40 = 47,485,717.92/x - Step 3: Cross multiply
99,314,583.84x = 148,875,260.40 × 47,485,717.92 - Step 4: Simplify right side
99,314,583.84x = 7,069,448,620,620,947 - Step 5: Solve for x
x = 7,069,448,620,620,947/99,314,583.84 - Step 6: Final answer
x = 71,182,381.75
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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.