Finding the Fourth Proportional to 77,924,994.62, 116,905,682.30 and 22,593,986.96
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Solution
The fourth proportional to 77,924,994.62, 116,905,682.30 and 22,593,986.96 is: 33,896,254.65
Step by Step Solution
- Step 1: Write the proportion equation
77,924,994.62 : 116,905,682.30 = 22,593,986.96 : x - Step 2: Convert to fraction form
77,924,994.62/116,905,682.30 = 22,593,986.96/x - Step 3: Cross multiply
77,924,994.62x = 116,905,682.30 × 22,593,986.96 - Step 4: Simplify right side
77,924,994.62x = 2,641,365,461,436,103 - Step 5: Solve for x
x = 2,641,365,461,436,103/77,924,994.62 - Step 6: Final answer
x = 33,896,254.65
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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.