Finding the Fourth Proportional to 88,926,622.80, 122,731,627.44 and 51,242,454.96
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Solution
The fourth proportional to 88,926,622.80, 122,731,627.44 and 51,242,454.96 is: 70,722,014.32
Step by Step Solution
- Step 1: Write the proportion equation
88,926,622.80 : 122,731,627.44 = 51,242,454.96 : x - Step 2: Convert to fraction form
88,926,622.80/122,731,627.44 = 51,242,454.96/x - Step 3: Cross multiply
88,926,622.80x = 122,731,627.44 × 51,242,454.96 - Step 4: Simplify right side
88,926,622.80x = 6,289,069,891,261,700 - Step 5: Solve for x
x = 6,289,069,891,261,700/88,926,622.80 - Step 6: Final answer
x = 70,722,014.32
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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.