Finding the Fourth Proportional to 201,548,451.18, 302,142,642.66 and 78,698,187.66
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Solution
The fourth proportional to 201,548,451.18, 302,142,642.66 and 78,698,187.66 is: 117,976,983.96
Step by Step Solution
- Step 1: Write the proportion equation
201,548,451.18 : 302,142,642.66 = 78,698,187.66 : x - Step 2: Convert to fraction form
201,548,451.18/302,142,642.66 = 78,698,187.66/x - Step 3: Cross multiply
201,548,451.18x = 302,142,642.66 × 78,698,187.66 - Step 4: Simplify right side
201,548,451.18x = 23,778,078,392,145,004 - Step 5: Solve for x
x = 23,778,078,392,145,004/201,548,451.18 - Step 6: Final answer
x = 117,976,983.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.