Finding the Fourth Proportional to 153,806,843.73, 230,720,551.55 and 54,084,571.98
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Solution
The fourth proportional to 153,806,843.73, 230,720,551.55 and 54,084,571.98 is: 81,130,474.92
Step by Step Solution
- Step 1: Write the proportion equation
153,806,843.73 : 230,720,551.55 = 54,084,571.98 : x - Step 2: Convert to fraction form
153,806,843.73/230,720,551.55 = 54,084,571.98/x - Step 3: Cross multiply
153,806,843.73x = 230,720,551.55 × 54,084,571.98 - Step 4: Simplify right side
153,806,843.73x = 12,478,422,277,571,276 - Step 5: Solve for x
x = 12,478,422,277,571,276/153,806,843.73 - Step 6: Final answer
x = 81,130,474.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.