Finding the Fourth Proportional to 155,264,182.40, 232,896,273.60 and 97,821,315.20
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Solution
The fourth proportional to 155,264,182.40, 232,896,273.60 and 97,821,315.20 is: 146,731,972.80
Step by Step Solution
- Step 1: Write the proportion equation
155,264,182.40 : 232,896,273.60 = 97,821,315.20 : x - Step 2: Convert to fraction form
155,264,182.40/232,896,273.60 = 97,821,315.20/x - Step 3: Cross multiply
155,264,182.40x = 232,896,273.60 × 97,821,315.20 - Step 4: Simplify right side
155,264,182.40x = 22,782,219,788,731,040 - Step 5: Solve for x
x = 22,782,219,788,731,040/155,264,182.40 - Step 6: Final answer
x = 146,731,972.80
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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.