Finding the Fourth Proportional to 149,697,546.92, 206,784,809.88 and 112,806,683.84
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Solution
The fourth proportional to 149,697,546.92, 206,784,809.88 and 112,806,683.84 is: 155,825,590.67
Step by Step Solution
- Step 1: Write the proportion equation
149,697,546.92 : 206,784,809.88 = 112,806,683.84 : x - Step 2: Convert to fraction form
149,697,546.92/206,784,809.88 = 112,806,683.84/x - Step 3: Cross multiply
149,697,546.92x = 206,784,809.88 × 112,806,683.84 - Step 4: Simplify right side
149,697,546.92x = 23,326,708,671,047,668 - Step 5: Solve for x
x = 23,326,708,671,047,668/149,697,546.92 - Step 6: Final answer
x = 155,825,590.67
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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.