Finding the Fourth Proportional to 187,620,969.18, 281,430,036.74 and 56,462,680
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Solution
The fourth proportional to 187,620,969.18, 281,430,036.74 and 56,462,680 is: 84,693,593.56
Step by Step Solution
- Step 1: Write the proportion equation
187,620,969.18 : 281,430,036.74 = 56,462,680 : x - Step 2: Convert to fraction form
187,620,969.18/281,430,036.74 = 56,462,680/x - Step 3: Cross multiply
187,620,969.18x = 281,430,036.74 × 56,462,680 - Step 4: Simplify right side
187,620,969.18x = 15,890,294,106,838,864 - Step 5: Solve for x
x = 15,890,294,106,838,864/187,620,969.18 - Step 6: Final answer
x = 84,693,593.56
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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.