Finding the Fourth Proportional to 78,699,118.23, 108,604,975.91 and 43,894,062.99
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Solution
The fourth proportional to 78,699,118.23, 108,604,975.91 and 43,894,062.99 is: 60,573,914.43
Step by Step Solution
- Step 1: Write the proportion equation
78,699,118.23 : 108,604,975.91 = 43,894,062.99 : x - Step 2: Convert to fraction form
78,699,118.23/108,604,975.91 = 43,894,062.99/x - Step 3: Cross multiply
78,699,118.23x = 108,604,975.91 × 43,894,062.99 - Step 4: Simplify right side
78,699,118.23x = 4,767,113,653,401,503 - Step 5: Solve for x
x = 4,767,113,653,401,503/78,699,118.23 - Step 6: Final answer
x = 60,573,914.43
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.